Free games like Mine Defender
Below are 9 free-to-play Steam games similar to Mine Defender, 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 Mine Defender page.
Ranked picks
- 1

Landfall Archives
Free-to-play alternative to Mine Defender — no purchase or trial window. Shares Strategy and Indie with Mine Defender.
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!
- 2

The Riftbreaker: Prologue
Free-to-play alternative to Mine Defender — no purchase or trial window. Shares Strategy and Indie with Mine Defender.
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.
- 3

Jigsaw Puzzle Dreams
Free-to-play alternative to Mine Defender — no purchase or trial window. Shares Indie with Mine Defender.
Beautiful Multiplayer Jigsaw Puzzle game where you can design the room you play in!
- 4

The Last Sovereign
Free-to-play alternative to Mine Defender — no purchase or trial window. Shares Strategy and Indie with Mine Defender.
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.
- 5

Supermarket Together
Free-to-play alternative to Mine Defender — no purchase or trial window. Shares Indie with Mine Defender.
The multiplayer supermarket has arrived to your neighbourhood for free! Stock your shop space, unlock perks and franchises, hire employees or chase those pesky shoplifters. The more players, the more action!
- 6

Fallout Shelter
Free-to-play alternative to Mine Defender — no purchase or trial window.
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.
- 7

Bloons TD Battles 2
Free-to-play alternative to Mine Defender — no purchase or trial window. Shares Strategy and Indie with Mine Defender.
From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons!
- 8

Bloons TD Battles
Free-to-play alternative to Mine Defender — no purchase or trial window. Shares Strategy with Mine Defender.
Go head to head with other players in a Bloon-popping battle for victory. From the creators of best-selling Bloons TD 5, this all new Battles game is specially designed for multiplayer combat, featuring the ability to control bloons directly and send them charging past your opponent's defenses.
- 9

The Wall
Free-to-play alternative to Mine Defender — no purchase or trial window. Shares Strategy and Indie with Mine Defender.
[Servers Temporarily Shut Down!] Build. Gather. Breach. The Wall is a never-before seen mix of genres, where dynamic maps, slick combat, base building, and economy management all come together.