Single-player games like UNDER DEFEAT
Below are 17 single-player Steam games similar to UNDER DEFEAT, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like UNDER DEFEAT page.
Ranked picks
- 1
Flying Pigs
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Your plane is on fire, you're wounded, but don't give up! You are the last hope to end World War II! Six pilots with a devastating arsenal! Face the hell of the skies in single-player or co-op, survive breathtaking battlefields, and obliterate colossal bosses in this fast-paced shooter!
- 2
Astro Fighters
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Astro Fighters is a tough old school vertical scrolling bullet hell shooter designed to test your skills with non-stop arcade style action. Fight against large bosses at the end of every level and compete for the high score across 4 difficulty modes to be the best fighter pilot in the game.
- 3
Thunder Wolves
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
When this “wolf pack” strikes, you hear the thunder roll. The Thunder Wolves attack from the air. They are mercenaries, and the best helicopter pilots in the world. Every one of them is ready for action at all times—and ready to fight evil, wherever it lurks.
- 4
Assault Android Cactus+
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Assault Android Cactus is an intense arcade style twin stick shooter - pick from one of nine unique synthetic heroines and blast your way through overwhelming robots hordes to save the ship from its own workforce. Supports single player and local co-op game modes.
- 5
TENGAI
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Miko-san and ninja girl blast away! The best of eccentric Japanese-style shooter is here! With online rankings!
- 6
Sky Force Reloaded
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Sky Force Reloaded is a classic shoot ‘em up experience packed in gorgeous visuals and excellent gameplay. Enjoy flashy explosions, beautiful scenery and massive bosses in single player or local cooperative modes.
- 7
Chippy
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.
- 8
Revolution Ace
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
A deep, tactical shoot'em up. With every takedown, you’ll earn cash and xp to upgrade your ship and unlock new abilities. Online and local co-op. Unique versus mode. Realistic physics and water simulation.
- 9
Strania - The Stella Machina -
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Japanese boutique game studio G.rev makes its long-awaited debut on Steam with Strania!
- 10
Border Town
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Restore the former glory of Border Town in an open-world sandbox RPG set in a fantastical realm. Explore the world, craft tools and weapons, cultivate fields, and socialise with your neighbours while dealing with dark forces that threaten to destroy everything you have built.
- 11
Raiden III x MIKADO MANIAX
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Soar sky-high in Raiden III x MIKADO MANIAX, an electrifying entry in the classic arcade shoot-‘em-up series! Customize your music, wallpapers, game mode, and more before launching into high-octane aerial action!
- 12
STRIKERS 1945
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
The vertical scrolling shooter game released in the arcade by "Psikyo". You can set the difficulty level, controls, screen orientation, etc. In addition, online rankings have been implemented! Aim to be the world's best Striker!
- 13
STRIKERS 1945 II
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Easy to play, hard to master. This is one of the most iconic arcade shooter of the 90s, released by Psikyo. It comes back with many customizable options and online rankings!
- 14
STRIKERS 1945 III
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Here's a challenge from 90's arcades! The ultimate Psikyo shooter! With online rankings.
- 15
Psyvariar Delta
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
Thrive on Danger: Master the 'Buzz' to transform peril into pure power. Graze the edge of destruction to fuel your evolution. Harness the fleeting invincibility of each level-up to dive even deeper into the barrage.
- 16
Ninja JaJaMaru: The Great Yokai Battle + Hell
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
"Ninja JaJaMaru : The Great Yokai Battle + Hell" est un jeu d'action en 2D. Il s'agit de la dernière interaction de la série Ninja JaJaMaru qui introduit de nouveaux contrôles et de nouvelles mécaniques de jeu dans la série.
- 17
GUNBIRD
Single-player alternative to UNDER DEFEAT — playable solo, no multiplayer required. Shares Action with UNDER DEFEAT.
"Marion" the little great wizard in the steampunk world. The masterpiece of the "Psikyo Shooting"! Online rankings are available.