Free games like Invasion, Tales of Tower Defense
Below are 8 free-to-play Steam games similar to Invasion, Tales of Tower 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 Invasion, Tales of Tower Defense page.
Ranked picks
- 1

Landfall Archives
Free-to-play alternative to Invasion, Tales of Tower Defense — no purchase or trial window. Shares Action and Strategy with Invasion, Tales of Tower 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!
- 2

The Riftbreaker: Prologue
Free-to-play alternative to Invasion, Tales of Tower Defense — no purchase or trial window. Shares Action and Strategy with Invasion, Tales of Tower Defense.
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

The Life and Suffering of Sir Brante — Chapter 1&2
Free-to-play alternative to Invasion, Tales of Tower Defense — no purchase or trial window. Shares Strategy and Indie with Invasion, Tales of Tower Defense.
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!
- 4

Dota 2
Free-to-play alternative to Invasion, Tales of Tower Defense — no purchase or trial window. Shares Action and Strategy with Invasion, Tales of Tower Defense.
Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.
- 5

Muck
Free-to-play alternative to Invasion, Tales of Tower Defense — no purchase or trial window. Shares Action and Indie with Invasion, Tales of Tower Defense.
Muck is a survival-roguelike. Collect resources, find items & build a base to survive for as long as you can.
- 6

AdVenture Capitalist
Free-to-play alternative to Invasion, Tales of Tower Defense — no purchase or trial window. Shares Indie and Casual with Invasion, Tales of Tower Defense.
Welcome, eager young investor, to AdVenture Capitalist! Arguably the world's greatest Capitalism simulator!
- 7

Dota Underlords
Free-to-play alternative to Invasion, Tales of Tower Defense — no purchase or trial window. Shares Strategy and Casual with Invasion, Tales of Tower Defense.
Hire a crew and destroy your rivals in this new strategy battler set in the world of Dota. Introducing Season One: Explore White Spire and earn rewards on the Battle Pass. Pick from several different game modes, play on your own or with friends, and take advantage of crossplay on PC and mobile.
- 8

Supermarket Together
Free-to-play alternative to Invasion, Tales of Tower Defense — no purchase or trial window. Shares Indie and Casual with Invasion, Tales of Tower Defense.
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!