Get ready for an exciting month with our curated list of the top indie games releasing in September 2025. This September’s indie lineup includes highly anticipated titles across various genres, from action-packed adventures to captivating mysteries, ensuring there’s something for every gamer. Prepare to explore unique worlds, engage in immersive stories, and discover new favorites among these innovative indie titles. Let’s dive into the must-play indie games of September 2025!
Hollow Knight: Silksong
Release Date: 4 Sep, 2025
As the lethal hunter Hornet, embark on a perilous journey through a mesmerizing kingdom of silk and song! Captured and thrust into this unfamiliar world, prepare to confront formidable foes and unravel ancient mysteries as you ascend on a deadly pilgrimage to the kingdom’s peak. Hollow Knight: Silksong is the highly anticipated sequel to the award-winning Hollow Knight. Explore new lands, master new powers, battle hordes of bugs and beasts, and uncover secrets tied to Hornet’s nature and past in this epic Metroidvania adventure.
Developer: Team Cherry
Publisher: Team Cherry
Ratatan
Release Date: 18 Sep, 2025
Get ready to groove in Ratatan, a rhythm roguelike where infectious beats meet side-scrolling action! Lead your adorable Ratatan heroes, with up to 4 players in online co-op, through a vibrant world on a quest to meet “The Goddess.” Master rhythm-based commands to direct your Cobun allies in massive melees against hordes of enemies. With charming 2D animation and a heartwarming story, even in defeat, the dream of reaching “The Everafter” lives on. Prepare for a delightful and challenging adventure where rhythm is your weapon!
Developer: TVT Co. Ltd., Ratata Arts
Publisher: Game Source Entertainment
Aethermancer
Release Date: 23 Sep, 2025
Enter the world of Terastae, where monsters are trapped in a cycle of death and rebirth! As an Aethermancer, you’ll bond with these creatures, leading a party of three through dangerous battles and a sprawling world. Strategize in turn-based combat, harnessing the four elements of Aether to unleash powerful spells. Be warned: permadeath looms! But even in death, there’s rebirth. Unlock player classes and shape your Aethermancer’s role, uncover lore, and help the village thrive. Explore procedurally generated levels, striving for Worthiness โ and come back stronger after every defeat!
Developer: moi rai games
Publisher: offbrand games
Goblin Cleanup
Release Date: 18 Sep, 2025
Ever wonder who cleans up after dungeon raids? In Goblin Cleanup, you’re the cleanup crew! As a professional goblin cleaner, you’re tasked by the dungeon manager to restore order after adventurers wreak havoc. Play solo or with up to three friends in cooperative (or competitive!) online play. Dodge traps, appease hungry monsters, and scrub away the mess left behind by heroes. Restore objects, reactivate traps, respawn creatures, and refill loot chests. Watch out for your fellow goblins โ cleaning up their remains adds to the workload! Each dynamic dungeon presents unique challenges and hazards.
Developer: Crisalu Games
Publisher: Team17
Roman Empire Wars
Release Date: 15 Sep, 2025
As the new Emperor of Rome, rise and guide your nation through perilous times in Roman Empire Wars. Command legions of fierce warriors, devising cunning strategies to crush enemies across Europe. Engage in epic, large-scale battles mirroring historical campaigns. Make swift, tactical decisions to outmaneuver foes on land and sea. Conquer Gauls, Huns, Greeks, and more, spreading the glory of Rome to distant lands like Greece, Persia, and Great Britain. Employ historically accurate units, showcasing your strategic prowess and leaving a legacy of fear and marvel. Will you build an empire that will last?
Developer: Emperor Games
Publisher: Emperor Games
Baby Steps
Release Date: 8 Sep, 2025
Get ready to stumble into September with Baby Steps, a literal walking simulator unlike anything you’ve experienced. Take control of Nate, an unemployed “failson,” as he unexpectedly discovers the extraordinary ability to… walk. Explore a mysterious, mist-laden world one painstaking step at a time, with physics-based gameplay from the creators of Ape Out and Getting Over It. Hike across serene mountains, befriend the local wildlife, and maybe, just maybe, find some meaning in Nate’s seemingly wasted life. Features include a fully dynamic onesie soilage system and a soundtrack of 420 chill beats.
Developer: Gabe Cuzzillo, Maxi Boch, Bennett Foddy
Publisher: Gabe Cuzzillo, Maxi Boch, Bennett Foddy
Genre: 3D,Action,Adventure,Casual,Comedy,Controller,Dating Sim,Difficult,Exploration,Funny,Horror,Indie,Nature,Physics,Psychological Horror,Satire,Sexual Content,Singleplayer,Third Person,Walking Simulator
Arctic Awakening
Release Date: 18 Sep, 2025
A routine supply drop turns into a desperate fight for survival in Arctic Awakening, a gripping first-person narrative adventure. As pilot Kai, stranded in the unforgiving Arctic North after a mysterious crash, you and your court-mandated therapy bot, Alfie, must locate your missing co-pilot and unravel the secrets hidden within the frozen wastes. Explore breathtaking landscapes, navigate treacherous weather, and uncover strange sci-fi structures. Your choices shape the narrative, forging hard-won friendships and determining your fate in this thrilling mystery. Are you truly alone, or is something else lurking in the shadows?
Developer: GoldFire Studios
Publisher: GoldFire Studios
Pompeii: The Legacy
Release Date: 16 Sep, 2025
Twenty years after Vesuvius’s wrath, Pompeii stirs anew. As head of a Roman family, guide its rebirth, navigating politics, trade, and imperial life. Rebuild Pompeii, balancing patricians, plebeians, and slaves, each with unique ambitions. Shape laws, forge alliances, and outwit rivals to expand your family’s influence. Construct cities, establish trade, and manage your economy. But beware! Earthquakes, fires, and political sabotage threaten your legacy. Will you lead Pompeii to glory or witness its second fall? Every decision shapes your family’s destiny in this intricate historical simulation.
Developer: Siscia Games
Publisher: Siscia Games
TROLEU
Release Date: 15 Sep, 2025
Get ready for the ride of your life in TROLEU, a hilariously chaotic first-person action game that puts you in the driver’s seat…err, conductor’s seat of a trolleybus! Your mission? Ensure every passenger has a valid ticket in this bizarrely captivating public transportation simulator. Collect fares, issue tickets, and maybe evenโฆ ahemโฆ “persuade” the rule-breakers. Just watch out for those surprise ticket inspector visits! Embrace the absurd, unleash your inner conductor, and prepare for a trolleybus experience unlike any other. Just remember, in TROLEU, next stop is entirely up to you!
Developer: andrground
Publisher: CRITICAL REFLEX
Tokyo Underground Killer
Release Date: 5 Sep, 2025
Dive into a neon-drenched, fever dream vision of Tokyo in Tokyo Underground Killer. As Kobayashi, the feared “Shinjuku Vampire,” you’ll navigate the criminal underworld, eliminating crazy threats for the right price. Master unrelenting katana combat, slashing through hordes of Japanese demon-inspired monsters. Blood is your key to survival; use unique blood skills, then replenish your health by sucking your enemy dry. Explore locales like Shinjuku and Akihabara, unwind in your apartment, and unlock new abilities to become unstoppable. Experience a bizarre story brought to life in hand-drawn comic scenes with music from Andrew Hulshult.
Developer: Phoenix Game Productions
Publisher: 3DM Games, Gone Shootin
Platypus Reclayed
Release Date: 18 Sep, 2025
Reclaimed, remade, reclayed, Platypus is back! 22 years after its debut, the iconic indie shoot ’em up returns, led by original creator Anthony Flack and Claymatic Games. Platypus Reclayed isn’t just a remaster; it’s a complete revamp, reprogrammed for modern hardware with all-new 4K widescreen claymation. Pilot the legendary F-27 “Platypus” against the invading forces of Collosatropolis. Enjoy two-player action, a classic soundtrack with remixes, and adjustable difficulty perfect for the entire family in this fast, frantic, and fun arcade-style shooter. Get ready for claymation mayhem!
Developer: Claymatic Games
Publisher: Claymatic Games
Lord Ambermaze
Release Date: 17 Sep, 2025
Awaken on an island trapped in time by Lord Ambermaze, a sprawling maze filled with bizarre creatures and perilous puzzles! Armed with sword, bow, and shield, brave the Great Garden Battle against stink-spiders, acidic slimes, and more. When you need a break, enjoy fishing and challenging mini-games. Befriend charming ladies and eccentric characters, each with their own stories to uncover. Can you unravel the island’s mysteries, befriend its inhabitants, and perhaps even find love amidst the chaos? Prepare for an adventure brimming with danger, puzzles, and quirky charm!
Developer: Potata Company
Publisher: HeroCraft PC
Casebook 1899 – The Leipzig Murders
Release Date: 4 Sep, 2025
Immerse yourself in the shadowy streets of 1899 Leipzig in Casebook 1899 – The Leipzig Murders, a gripping point-and-click adventure. As Detective Joseph Kreiser, you’ll investigate a series of unsettling murders rocking the burgeoning industrial city. Scour meticulously crafted, hand-pixellated environments for clues, interrogate suspicious characters, and utilize your trusty notebook and deduction board to piece together the truth. Your choices matter as you navigate four distinct cases, each with multiple endings determined by your deductive prowess. Can you unmask the true culprits lurking within Leipzig’s atmospheric depths?
Developer: Homo Narrans Studio
Publisher: Homo Narrans Studio
Rogue Labyrinth
Release Date: 1 Sep, 2025
Picture this: your peaceful country of Lantanas, seized by an eccentric billionaire! He’s built a colossal colosseum labyrinth at the base of the Great Tree, and now you must fight to become the next monarch! Ascend the procedurally generated roguelite Labyrinth, wielding hundreds of powers and artifacts against monsters and seven unique rivals. Each run offers new maps based on participating countries. Utilize everything as a projectile in a “controlled-bullet hell,” befriend (or antagonize) rivals, attract a hyped audience, and even indulge in some fishing.
Developer: Tea Witch Games
Publisher: indie.io
NetherWorld
Release Date: 12 Sep, 2025
Plunge into the dark and decadent pixel art world of NetherWorld, where even a marriage crisis leads to surreal misadventures. After being dumped, Medoo seeks solace in vodka, only to stumble into a twisted journey filled with bizarre characters. Navigate this narrative-driven action-adventure, interacting with cokehead mages, mobsters, and more. Earn your keep through drinking contests, adult activities, and rogue-like dungeon crawls as a tick named Joe. Prepare for savage boss fights armed with guns, or go fist-to-cuff in this unforgettable, bizarre quest.
Developer: Hungry Pixel
Publisher: Selecta Play
The Art of Reflection
Release Date: 22 Sep, 2025
Prepare to have your perception shattered in The Art of Reflection, a mind-bending first-person puzzle game. Imagine stepping through mirrors into a reality where physics and logic bend to new rules. Navigate a surreal, labyrinthine architecture, solving intricate puzzles by manipulating reflections. Master the snap zoom ability to traverse impossible distances, redirect mid-air, and unveil hidden corners. Explore upside-down environments and challenge your spatial reasoning in this unique and captivating indie title. Will you unravel the secrets hidden within the mirrored world?
Developer: Hydrozoa
Publisher: Hydrozoa
Shooting Range Simulator
Release Date: 3 Sep, 2025
Step into the shoes of a shooting range entrepreneur in Shooting Range Simulator. Host customers, fulfill their orders, and expand your shop to accommodate the growing demand. As you level up, unlock better guns and ammo, catering to your customers’ evolving needs. Dive into the thrill of shooting races, winning prizes to further boost your business. Manage resources wisely to thrive in a competitive market, renting guns, selling ammo, and trading rare gun skins found in cases to maximize profits. Can you build the ultimate shooting range empire?
Developer: Buffed Games
Publisher: KNGL Studio
Blood Lily Ghoststories
Release Date: 15 Sep, 2025
Delve into a chilling night with three occult club members in Blood Lily Ghoststories. As Lily, Sally, and Azura share spooky tales, a sinister presence known as Miss Choker lurks, eager to join their circle. Unravel interconnected horror stories with retro silhouette sprites that heighten the suspense. Are these girls just telling tales, or is something truly supernatural among them? Uncover the truth behind the ghostly encounters in this pixelated, story-rich horror experience, where every choice matters and love blossoms amidst the terror.
Developer: Sounding Stone / ่ๅฅๆฏ, MaouCat Studio / ้ญ็่ฒๅทฅไฝๅฎค
Publisher: Sounding Stone / ่ๅฅๆฏ, RMAsia
Baseless
Release Date: 22 Sep, 2025
Get ready for gravity-defying action in Baseless, a challenging planet-jumping shooter where movement is shooting! Blast off from planet to planet, utilizing 360ยฐ gravity to creatively dismantle enemies. Master a deep moveset, combining shooting, slashing, dashing, and blocking to survive. Rescue cute friends, uncover a galaxy’s secrets across vibrant zones teeming with unique enemies, hazards, and powerful weapons. Unlock devastating powers like bubble shields and grappling hooks to conquer menacing zone bosses. Prepare for satisfying mechanical mastery in this explosive adventure!
Developer: Fermenter Games
Publisher: First Break Labs
Other Notable Indie Games Releasing in September 2025:
| Game Name | Developer | Publisher | Release Date | Steam Page URL | Poster |
| Master of Luna | Aleksandr Tiupin | Aleksandr Tiupin | 12 Sep, 2025 | Wishlist on Steam |  |
| Lighthouse Of The Souls (LOTS) | Hipernova Games | Hipernova Games | 17 Sep, 2025 | Wishlist on Steam |  |
| Dread Protocol | Meat Lab | Meat Lab | 26 Sep, 2025 | Wishlist on Steam |  |
| Folly Of The Wizards | UpFox Labs | Numskull Games | 20 Sep, 2025 | Wishlist on Steam |  |
| Gravewatch | FearForge Studios | FearForge Studios | 30 Sep, 2025 | Wishlist on Steam |  |
| Inventorix | Arcaludi | Arcaludi | 1 Sep, 2025 | Wishlist on Steam |  |
| Operation Octo | Klub Kofta Studio | Klub Kofta Studio | 10 Sep, 2025 | Wishlist on Steam |  |
| The Case of Andrew D. | Marcin Borkowski | BPP | 9 Sep, 2025 | Wishlist on Steam |  |
| Crossed Commands: Collision | SlightQuartz | SlightQuartz | 3 Sep, 2025 | Wishlist on Steam |  |
| Jamboy, a Jelly-cious Hero | Nakama Game Studio | Nakama Game Studio | 25 Sep, 2025 | Wishlist on Steam |  |
| Color Fear | West View | West View | 23 Sep, 2025 | Wishlist on Steam |  |
| Trasmoz Legends | Volcano Bytes | JanduSoft | 11 Sep, 2025 | Wishlist on Steam |  |
September 2025 is shaping up to be a fantastic month for indie game enthusiasts. From the highly anticipated Hollow Knight: Silksong to unique experiences like Baby Steps and TROLEU, there’s a diverse range of titles to explore. Whether you’re into action, adventure, puzzles, or simulations, the top indie games releasing in September 2025 offer something for everyone. Be sure to wishlist your favorites and get ready to dive into these exciting new worlds!
