Free games like Space Alliance: Frontier
Below are 8 free-to-play Steam games similar to Space Alliance: Frontier, 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 Space Alliance: Frontier page.
Ranked picks
- 1

Counter-Strike:Global Offensive
Free-to-play alternative to Space Alliance: Frontier — no purchase or trial window.
Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).
- 2

93, Kuindzhi
Free-to-play alternative to Space Alliance: Frontier — no purchase or trial window. Shares Indie with Space Alliance: Frontier.
Kuindzhi, 93 is an atmospheric first-person narrative vignette about an 18-year-old boy from Donbas. The story takes us to March 2022, when the world changed forever — into a space where the past, fears, and doubts find their voice.
- 3

Landfall Archives
Free-to-play alternative to Space Alliance: Frontier — no purchase or trial window. Shares Strategy and Indie with Space Alliance: Frontier.
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!
- 4

SuchArt: Creative Space
Free-to-play alternative to Space Alliance: Frontier — no purchase or trial window. Shares Indie with Space Alliance: Frontier.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
- 5

DOGWALK
Free-to-play alternative to Space Alliance: Frontier — no purchase or trial window. Shares Indie with Space Alliance: Frontier.
Explore a hand-crafted winter forest as a big adorable dog and a little kid in tow. A short, free, open source project brought to you by Blender Studio.
- 6

South Scrimshaw, Part One
Free-to-play alternative to Space Alliance: Frontier — no purchase or trial window. Shares Indie with Space Alliance: Frontier.
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.
- 7

The Riftbreaker: Prologue
Free-to-play alternative to Space Alliance: Frontier — no purchase or trial window. Shares Strategy and Indie with Space Alliance: Frontier.
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.
- 8

Shape of Dreams: Prologue
Free-to-play alternative to Space Alliance: Frontier — no purchase or trial window. Shares Indie with Space Alliance: Frontier.
《Shape of Dreams: Prologue》is a unique game that blends action roguelite with MOBA-style gameplay. Edit your character's Memories to create your own champion. Face all challenges alone or play with friends in up to 4-player co-op.