Single-player games like Dr. Professor Scientist's Weapons Testing Facility
Below are 9 single-player Steam games similar to Dr. Professor Scientist's Weapons Testing Facility, 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 Dr. Professor Scientist's Weapons Testing Facility page.
Ranked picks
- 1
Escape from Demon Island
Single-player alternative to Dr. Professor Scientist's Weapons Testing Facility — playable solo, no multiplayer required. Shares Strategy and Indie with Dr. Professor Scientist's Weapons Testing Facility.
In the lost island of Alcatraz, try hard to survive. You can use a variety of weapons and skills to avoid and eliminate wild beasts and monsters, and finally eliminate the abyssal demons and escape. Be careful, monsters are different during the day and at night! Enjoy yourself!
- 2
Crystal Tower Defense
Single-player alternative to Dr. Professor Scientist's Weapons Testing Facility — playable solo, no multiplayer required. Shares Strategy and Casual with Dr. Professor Scientist's Weapons Testing Facility.
Stop an endless hoard of crystal-type enemies, with different attributes, from reaching the portal to earth! You can build your own labyrinths, unlock new turrets, upgrade them, unlock abilities, and also gather permanent bonuses.
- 3
Arms Evolution: ZOMBIE DESTROYER
Single-player alternative to Dr. Professor Scientist's Weapons Testing Facility — playable solo, no multiplayer required. Shares Strategy and Indie with Dr. Professor Scientist's Weapons Testing Facility.
"Arms Evolution: ZOMBIE DESTROYER" is a unique Roguelite tower defense game. You will slaughter thousands of zombies in the game and enhance your weapon towers through build character in the RPG way. and , the game also offers an idle mode, so you can enjoy building weapons anytime and anywhere.
- 4
miniBONG
Single-player alternative to Dr. Professor Scientist's Weapons Testing Facility — playable solo, no multiplayer required. Shares Strategy and Indie with Dr. Professor Scientist's Weapons Testing Facility.
"miniBONG" is a lightweight rogue-like game that focuses on dress-up DIY and idle gameplay, while incorporating elements of combat, character development, and strategy.. You can feel the charm of dressing up and fighting at the same time.
- 5
Total Defense: Three Kingdoms
Single-player alternative to Dr. Professor Scientist's Weapons Testing Facility — playable solo, no multiplayer required. Shares Strategy and Indie with Dr. Professor Scientist's Weapons Testing Facility.
"Total Defense: Three Kingdoms" is a tower defense game set against the epic saga of Han. Command legendary generals transformed into unique defense towers, as you battle through 32 campaigns. Every general’s tower is a beacon rewriting history—where tactical brilliance ignites the flames of legend.
- 6
DRAG IT
Single-player alternative to Dr. Professor Scientist's Weapons Testing Facility — playable solo, no multiplayer required. Shares Indie and Casual with Dr. Professor Scientist's Weapons Testing Facility.
This is a game where you swing your weapon with the mouse to attack! You must rely on inertia and momentum to master the art of swinging. The screen is filled with monsters that also act as bullet hell; be careful to avoid them.
- 7
Null Vector
Single-player alternative to Dr. Professor Scientist's Weapons Testing Facility — playable solo, no multiplayer required. Shares Indie with Dr. Professor Scientist's Weapons Testing Facility.
Trade. Gamble. Fight! Test your arcade chops in Null Vector, a twin-stick shooter rogue-lite. Discover and experiment with thousands of weapon combinations, take strategic advantage of machines to trade and gamble for new ship parts, and unleash your own bullet hell upon the Final Boss!
- 8
Sector Six
Single-player alternative to Dr. Professor Scientist's Weapons Testing Facility — playable solo, no multiplayer required. Shares Indie with Dr. Professor Scientist's Weapons Testing Facility.
Sector Six is a side-scrolling, sci-fi shooter with a silhouette aesthetic, procedural loot, extensive customization, and story missions.
- 9
Clockwork Survivors
Single-player alternative to Dr. Professor Scientist's Weapons Testing Facility — playable solo, no multiplayer required.
Don't hold forward, don't press fire, but focus on the vertical in this autorunning reverse bullet hell roguelike. Master the level layout by lapping the same short section several times while you gather steam for your hot air balloon companion. Make the balloon & yourself happy.