Games like Ostallian Core
If Ostallian Core is your kind of game, the closest matches are Space War: Infinity, Blacksea Odyssey and Flame Over — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.
Get personalized picks →About Ostallian Core: A modern omnidirectional space shooter with colorful retro-style ASCII art and light RPG elements, featuring optional permadeath.

Players who liked Ostallian Core also play
Steam players who put hours into Ostallian Core also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.
Space War: Infinity
WHY THIS
Top pick for Ostallian Core fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ostallian Core.
Vertical semi-procedural shmup with upgrades, real-time enemy waves, and infinite replayability. Level up your ship, unlock 20+ weapons, defeat 5 bosses, and survive endless bullet-hell combat.
Blacksea Odyssey
WHY THIS
Second-strongest match for Ostallian Core fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ostallian Core.
Enter the Blacksea Odyssey, a violent top-down rogue-lite space shoot ‘em up RPG brimming with colossal creatures and runic technologies. Explore dangerous, interstellar spacescapes as you hunt enormous space-behemoths with a harpoon and rune-infused spears.
Flame Over
WHY THIS
Third-strongest match for Ostallian Core fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ostallian Core.
Blending top down "squirt em-up" action and "Pyroguelike" game mechanics, Flame Over features fast-paced fire-fighting thrills, randomly generated levels, 4 different game zones and dastardly hazards at every turn!
Run Build Pew!
WHY THIS
Ranked #4 for Ostallian Core fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ostallian Core.
You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.
Crimsonland
WHY THIS
Ranked #5 for Ostallian Core fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ostallian Core.
Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes.
ARRIVAL: ZERO EARTH
WHY THIS
Ranked #6 for Ostallian Core fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ostallian Core.
Fight giant War of the Worlds -style aliens invading Finland during a Winter in the 90's. Build an army of local townspeople in this chaotic semi-autobattler roguelike. Navigate through different biomes to obliterate the aliens from cosmic dimensions.
Earl vs. the Mutants
WHY THIS
Ranked #7 for Ostallian Core fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Ostallian Core.
Save humanity in a mutant-ridden apocalypse! Dive headfirst into Earl vs. the Mutants, a high-octane top-down survival action-roguelite set in the aftermath of a nuclear apocalypse.
City of Beats
WHY THIS
Ranked #8 for Ostallian Core fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Ostallian Core.
Shoot. Groove. Loot. Repeat. Cross an ever-changing city skyline, flowing through encounters in tune with the cityscape’s beat. From the weapons you fire, to the enemies you shoot, to the zen-like flow, the only way to win is to become one with the beat.
Cheaper alternatives
Games in the same vein priced at least 40% below Ostallian Core at current Steam store prices.
Titanfall® 2
WHY THIS
Priced ~44% under Ostallian Core on Steam right now. Shares Action with Ostallian Core.
Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.
POSTAL 2
WHY THIS
Priced ~88% under Ostallian Core on Steam right now. Shares Action and Indie with Ostallian Core.
Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?
Buckshot Roulette
WHY THIS
Priced ~63% under Ostallian Core on Steam right now. Shares Action and Indie with Ostallian Core.
Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!
GRIS
WHY THIS
Priced ~53% under Ostallian Core on Steam right now. Shares Indie and Adventure with Ostallian Core.
Gris is a hopeful young girl lost in her own world, dealing with a painful experience in her life. Her journey through sorrow is manifested in her dress, which grants new abilities to better navigate her faded reality.
The Test
WHY THIS
Priced ~75% under Ostallian Core on Steam right now. Shares Indie and Adventure with Ostallian Core.
You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?
Milk inside a bag of milk inside a bag of milk
WHY THIS
Priced ~81% under Ostallian Core on Steam right now. Shares Indie and Adventure with Ostallian Core.
A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.
Blood and Bacon
WHY THIS
Priced ~88% under Ostallian Core on Steam right now. Shares Action and Adventure with Ostallian Core.
This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.
Crypt of the NecroDancer
WHY THIS
Priced ~63% under Ostallian Core on Steam right now. Shares Action and Indie with Ostallian Core.
Crypt of the NecroDancer is an award winning hardcore roguelike rhythm game. Move to the music and deliver beatdowns to the beat! Groove to the epic Danny Baranowsky soundtrack, or select songs from your own MP3 collection!
Free alternatives
Free-to-play games that recommended players of this title also tend to enjoy.
STRAFTAT
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Ostallian Core.
STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.
Grimm's Hollow
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Ostallian Core.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
The Expendabros
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Ostallian Core.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
Iron Snout
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Ostallian Core.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
UNBEATABLE [white label]
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Ostallian Core.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
Star Fetchers
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Ostallian Core.
The introduction to a wild ride with gangsters and deep state conspiracy theories
Magic Archery
WHY THIS
Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and RPG with Ostallian Core.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
Narrow it down
Head-to-head comparisons
Plays great on Steam Deck
Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.
Run Build Pew!
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Ostallian Core.
You’re being Bounty-Hunted! Run, Build your ship piece-by-piece and make it work with the parts you find, Destroy outposts and waves of fleets, and Pick your battles carefully to overcome your hunters in this Fast-Paced Top-Down Action Roguelite Shooter.
Crimsonland
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Ostallian Core.
Thousands of aliens, giant spiders, mutant lizards, and more are on the attack - can you survive the onslaught? Crimsonland is a top-down shooter with a touch of RPG. Unlock over 30 weapons and over 50 perks from quirky to brutal. Complete the quest and show your skills in five survival modes.
Earl vs. the Mutants
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Ostallian Core.
Save humanity in a mutant-ridden apocalypse! Dive headfirst into Earl vs. the Mutants, a high-octane top-down survival action-roguelite set in the aftermath of a nuclear apocalypse.
City of Beats
WHY THIS
Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with Ostallian Core.
Shoot. Groove. Loot. Repeat. Cross an ever-changing city skyline, flowing through encounters in tune with the cityscape’s beat. From the weapons you fire, to the enemies you shoot, to the zen-like flow, the only way to win is to become one with the beat.
Frequently asked about Ostallian Core
- How much does Ostallian Core cost?
- Ostallian Core is listed on Steam at 7.99 USD (current store price; Steam sales may reduce this temporarily).
- What games are most similar to Ostallian Core?
- Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Ostallian Core are Space War: Infinity, Blacksea Odyssey, Flame Over.
- Who developed Ostallian Core?
- Ostallian Core was developed by Quixotic Worx and published by Sunrise Intelligence .
imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Ostallian Core.
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![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)

