Single-player games like Undercroft Warriors
Below are 8 single-player Steam games similar to Undercroft Warriors, 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 Undercroft Warriors page.
Ranked picks
- 1
Storm Mined
Single-player alternative to Undercroft Warriors — playable solo, no multiplayer required. Shares Action and Indie with Undercroft Warriors.
Inspired by the cult classic Mine Storm, Storm Mined modernizes arcade space shooting with rogue-lite upgrades and rhythm-based stages.
- 2
Twin Ruin
Single-player alternative to Undercroft Warriors — playable solo, no multiplayer required. Shares Action and Indie with Undercroft Warriors.
Switch bullet hell into bullet heaven. Jump into a world filled with enemies and powerups, race to harvest all the power you can before the area is consumed by a engulfing fire storm. Try Survival and try and last 3 mins, and top the leaderboard.
- 3
Neon Endstate
Single-player alternative to Undercroft Warriors — playable solo, no multiplayer required. Shares Action and Indie with Undercroft Warriors.
Turn a small ship into a roaming arsenal. Dodge hostile fleets, bolt on weapons between waves, and steal a capital ship's firepower. Build wild combinations across six-wave campaigns, then push your luck in escalating Capital Hunts.
- 4
Chippy
Single-player alternative to Undercroft Warriors — playable solo, no multiplayer required. Shares Action and Indie with Undercroft Warriors.
Chip destructible bosses apart pixel-by-pixel in this twin-stick bullet-hell shooter.
- 5
ULTRABUGS
Single-player alternative to Undercroft Warriors — playable solo, no multiplayer required. Shares Action and Indie with Undercroft Warriors.
Vlambeer's ULTRABUGS is a fast-paced high-score game in which you fight endless space bugs that split up into MORE space bugs as you fight and defeat them.
- 6
Steel Alcimus
Single-player alternative to Undercroft Warriors — playable solo, no multiplayer required. Shares Action and Indie with Undercroft Warriors.
Steel Alcimus is a top-down helicopter shooter. Complete various tasks with your ally aircraft; such as saving the carrier, taking down the buildings, carrying objects, etc.
- 7
Sektori
Single-player alternative to Undercroft Warriors — playable solo, no multiplayer required. Shares Action with Undercroft Warriors.
Sektori is an intense, fast paced twin-stick shooter infused with hard hitting techno music. A game where the high-adrenaline gameplay, visuals, and music come together to transport you into another state of consciousness.
- 8
KILL KNIGHT
Single-player alternative to Undercroft Warriors — playable solo, no multiplayer required. Shares Action with Undercroft Warriors.
KILL KNIGHT is an ultra-responsive arcade-inspired isometric action shooter. Condemned to eternal sufferance, deep within the voids of an eldritch arena, you must wield an arsenal of devastating weaponry to obliterate swarms of otherworldly horrors - and MASTER THE DEMON WITHIN.