Free games like Dr. Professor Scientist's Weapons Testing Facility
Below are 8 free-to-play Steam games similar to Dr. Professor Scientist's Weapons Testing Facility, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.
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

Magic Archery
Free-to-play alternative to Dr. Professor Scientist's Weapons Testing Facility — no purchase or trial window. Shares Indie and Simulation with Dr. Professor Scientist's Weapons Testing Facility.
Train a commoner to become the greatest archer in this short incremental game! Increase your stats, gather wealth from quests, buy upgrades, and infuse your arrows with magic.
- 2

I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1
Free-to-play alternative to Dr. Professor Scientist's Weapons Testing Facility — no purchase or trial window. Shares Indie and Casual with Dr. Professor Scientist's Weapons Testing Facility.
A top down twin stick zombie slaying shooter that you are sure to play again and again!
- 3

South Scrimshaw, Part One
Free-to-play alternative to Dr. Professor Scientist's Weapons Testing Facility — no purchase or trial window. Shares Indie and Casual with Dr. Professor Scientist's Weapons Testing Facility.
South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.
- 4

The Riftbreaker: Prologue
Free-to-play alternative to Dr. Professor Scientist's Weapons Testing Facility — no purchase or trial window. Shares Strategy and Indie with Dr. Professor Scientist's Weapons Testing Facility.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 5

The Last Sovereign
Free-to-play alternative to Dr. Professor Scientist's Weapons Testing Facility — no purchase or trial window. Shares Strategy and Indie with Dr. Professor Scientist's Weapons Testing Facility.
Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.
- 6

The Life and Suffering of Sir Brante — Chapter 1&2
Free-to-play alternative to Dr. Professor Scientist's Weapons Testing Facility — no purchase or trial window. Shares Strategy and Indie with Dr. Professor Scientist's Weapons Testing Facility.
A narrative-driven hardcore RPG set in a gritty world where the gods are real. Set out on a challenging lifetime journey, where every choice you make has a price to pay and consequence to it. Will you become an inquisitor, a judge, or conspire against the old order? Dare to decide!
- 7

AdVenture Capitalist
Free-to-play alternative to Dr. Professor Scientist's Weapons Testing Facility — no purchase or trial window. Shares Indie and Casual with Dr. Professor Scientist's Weapons Testing Facility.
Welcome, eager young investor, to AdVenture Capitalist! Arguably the world's greatest Capitalism simulator!
- 8

Fallout Shelter
Free-to-play alternative to Dr. Professor Scientist's Weapons Testing Facility — no purchase or trial window. Shares Simulation with Dr. Professor Scientist's Weapons Testing Facility.
Fallout Shelter puts you in control of a state-of-the-art underground Vault from Vault-Tec. Build the perfect Vault, keep your Dwellers happy, and protect them from the dangers of the Wasteland.