Single-player games like Mach K9
Below are 8 single-player Steam games similar to Mach K9, 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 Mach K9 page.
Ranked picks
- 1
Achilles: Survivor
Single-player alternative to Mach K9 — playable solo, no multiplayer required. Shares Action with Mach K9.
Thousands of enemies. One survivor. Fight like a demigod, build deadly defenses, and grow stronger after every run in this fast-paced bullet heaven set in mythic Greece.
- 2
Shoulders of Giants: Ultimate
Single-player alternative to Mach K9 — playable solo, no multiplayer required. Shares Action with Mach K9.
Simultaneously control a sword-wielding robot and a gunslinging space frog in Shoulders of Giants, an explosively colourful sci-fi roguelike. Play alone, with a friend, or as part of a four-person team, cutting through waves of enemies on a quest to rescue the galaxy from the forces of Entropy!
- 3
SHOOPER NOVA
Single-player alternative to Mach K9 — playable solo, no multiplayer required. Shares Action with Mach K9.
Craft Your Ultimate Circular Fortress! Dive into SHOOPER NOVA, where you choose props and components to build a unique fortress. Unlock combos to shape your strategy and battle style. Become an unstoppable barrage machine and obliterate waves of enemies from all directions!
- 4
Deep Rock Galactic: Survivor
Single-player alternative to Mach K9 — playable solo, no multiplayer required. Shares Action with Mach K9.
DEEP ROCK GALACTIC: SURVIVOR is a single player survivor-like auto-shooter. Take on hordes of lethal aliens, mine riches, and unlock powerful upgrades to survive, as you wield the full arsenal of Deep Rock Galactic. It's one dwarf against all of Planet Hoxxes!
- 5
Temtem: Swarm
Single-player alternative to Mach K9 — playable solo, no multiplayer required. Shares Action with Mach K9.
Can you Survive the Swarm? Unlock mighty abilities and upgrades, find and collect Tems to evolve and become stronger, discover overpowered strategies, and battle massive bosses in this survivor-like bullet heaven! Play solo or online co-op with up to 3 players, building the wildest synergies.
- 6
EVERSPACE™
Single-player alternative to Mach K9 — playable solo, no multiplayer required. Shares Action with Mach K9.
EVERSPACE™ combines fast-paced combat with roguelike elements, great visuals and a captivating story. It takes you on a challenging journey through an ever-changing, beautifully crafted universe full of surprises. Shoot, craft and loot your way to victory while the odds are stacked against you.
- 7
CRYPTARK
Single-player alternative to Mach K9 — playable solo, no multiplayer required. Shares Action with Mach K9.
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
- 8
Heat Signature
Single-player alternative to Mach K9 — playable solo, no multiplayer required. Shares Action with Mach K9.
Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.