Single-player games like PROJECT TACHYON
Below are 11 single-player Steam games similar to PROJECT TACHYON, 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 PROJECT TACHYON page.
Ranked picks
- 1
MechNest
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required. Shares Action with PROJECT TACHYON.
MechNest is a 3D bullet hell shooter developed by a single person. As you progress through the map, which changes with each challenge, collect reinforcement items and defeat powerful enemies with flashy shooting! Combine your skills freely and rampage through the hive of mechs!
- 2
METALLIC CHILD
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required. Shares Action with PROJECT TACHYON.
“Grab, hurl, and eliminate” Rogue-lite Core-Action!! A large-scale rebellion erupts within the spacecraft “Life Stream.” With the help of you, Rona, an android known as “Metallic Child,” stands up against a fleet of massive robots to stop the plot devised by her own creator, Doctor Irene.
- 3
The Great Rebellion
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required. Shares Action with PROJECT TACHYON.
The Great Rebellion is a cyberpunk 2D sidescrolling run'n'gun roguelite using mouse/twinstick-shooter controls. It features randomly generated levels, multiple difficulty modes (including optional permadeath), a dynamic soundtrack and an upgradeable player character.
- 4
Time Treker
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required. Shares Action with PROJECT TACHYON.
Choose your pilot and build your own custom mecha with 17+ weapons and 55+ attachments, then jump to the battlefield against hundreds of enemies to save spacetime itself in this thrilling sci-fi bullet heaven!
- 5
Good Robot
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required. Shares Action with PROJECT TACHYON.
Good Robot is a fast-paced roguelike shoot-em-up that pits you against thousands of robots out to violate your warranty. Explore a procedurally generated sci-fi metropolis and the depths of corporate depravity, but never stop shooting...unless, of course, you're a Bad Robot. You're not, are you?
- 6
Spell Disk
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required. Shares Action with PROJECT TACHYON.
Build unique synergy spell combos to destroy the hordes of monsters and bosses in this rogue-lite action game.
- 7
Cyberwar: Neon City
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required. Shares Action and Adventure with PROJECT TACHYON.
Explore a cyberpunk universe where monkeys rule. Challenge the fearsome Cyber Monkeys as you take on the role of a hero armed with a living shark weapon.
- 8
RAM: Random Access Mayhem
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required. Shares Action with PROJECT TACHYON.
The roguelike where you play as the enemies. Take control of your foes, turn them against each other in fast-paced combat, and leap to a new host before your current body breaks down.
- 9
DUNGEON RAZE
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required. Shares Action with PROJECT TACHYON.
Demolish walls to grow stronger! DUNGEON RAZE is a high-octane top-down shooter that fuses strategic destruction with exponential power scaling. Smash through the environment with overwhelming, "hyper-inflated" firepower to rescue allies and collect power-ups.
- 10
RAZE
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required. Shares Action with PROJECT TACHYON.
RAZE is an action roguelike based on randomization. Destroy thousands or tens of thousands of enemies in a single run, adapt to random events, and survive through to your cat reflexes. There are no easy paths here, and no room for mistakes.
- 11
ARIA CHRONICLE
Single-player alternative to PROJECT TACHYON — playable solo, no multiplayer required.
Randomized dungeons, strategic battles, diverse growth factors, unique characters... ARIA CHRONICLE offers an unparalleled gaming experience. Let’s set out to help the Princess of Tamageria!