Free games like STEM Defense
Below are 8 free-to-play Steam games similar to STEM Defense, 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 STEM Defense page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to STEM Defense — no purchase or trial window. Shares Indie with STEM Defense.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Indigo Park: Chapter 1
Free-to-play alternative to STEM Defense — no purchase or trial window. Shares Indie with STEM Defense.
Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.
- 3
The Looker
Free-to-play alternative to STEM Defense — no purchase or trial window. Shares Indie with STEM Defense.
You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.
- 4
Coloring Pixels
Free-to-play alternative to STEM Defense — no purchase or trial window. Shares Indie with STEM Defense.
A relaxing coloring by numbers game. Enjoy completing a variety of images with differing themes, complexity, and sizes.
- 5
Landfall Archives
Free-to-play alternative to STEM Defense — no purchase or trial window. Shares Strategy and Indie with STEM Defense.
Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!
- 6
Hello Neighbor Alpha 2
Free-to-play alternative to STEM Defense — no purchase or trial window. Shares Strategy and Indie with STEM Defense.
Welcome to Alpha 2 of Hello Neighbor. Play against an advanced, self-learning AI in what eventually became Act 1 of Hello Neighbor - the stealth horror home invasion sim.
- 7
Samorost 1
Free-to-play alternative to STEM Defense — no purchase or trial window. Shares Indie with STEM Defense.
Explore the beginnings of the Samorost series in the space gnome’s original bite-sized adventure, formerly released in 2003. Now with remastered sounds, enhanced graphics, and new music by Floex.
- 8
Epic Battle Fantasy 3
Free-to-play alternative to STEM Defense — no purchase or trial window. Shares Indie with STEM Defense.
Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!