Single-player games like IDUN - Frontline Survival
Below are 10 single-player Steam games similar to IDUN - Frontline Survival, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like IDUN - Frontline Survival page.
Ranked picks
- 1
IDUN Prologue - Frontline Survival
Single-player alternative to IDUN - Frontline Survival — playable solo, no multiplayer required. Shares Strategy and Indie with IDUN - Frontline Survival.
Step into the arena with IDUN: Prologue, a thrilling slice of our full-length defense RTS where real-time strategy meets rogue-lite chaos. Fight your way through unique mission objectives with overwhelming swarms of enemies.
- 2
The Riftbreaker
Single-player alternative to IDUN - Frontline Survival — playable solo, no multiplayer required. Shares Action and Strategy with IDUN - Frontline Survival.
The Riftbreaker is a solo or Co-op base-building, survival game with Action-RPG elements for up to 4 players. Hack & slash countless hordes of enemies. Build up your base, craft powerful weapons and research new inventions to survive.
- 3
They Are Billions
Single-player alternative to IDUN - Frontline Survival — playable solo, no multiplayer required. Shares Strategy with IDUN - Frontline Survival.
They Are Billions is a Steampunk strategy game set on a post-apocalyptic planet. Build and defend colonies to survive against the billions of the infected that seek to annihilate the few remaining living humans. Can humanity survive after the zombie apocalypse?
- 4
The Last Starship
Single-player alternative to IDUN - Frontline Survival — playable solo, no multiplayer required. Shares Strategy and Indie with IDUN - Frontline Survival.
The Last Starship is a 2D space construction game where you design and upgrade your starship. Choose your path: pirate hunter, miner, engineer, spacebus driver, and more, whilst exploring vibrant star systems. Enjoy a growing sandbox world, with regular free updates. Your cosmic adventure awaits!
- 5
Taur
Single-player alternative to IDUN - Frontline Survival — playable solo, no multiplayer required. Shares Action and Strategy with IDUN - Frontline Survival.
Taur is an action-strategy sci-fi game. Control the Prime Cannon and unlock all of its powerful weapons and abilities. Build turrets, droids, aircraft and more as you fight to protect the homeworld of the Tauron droids against a relentless invasion. Will your Taur stand against the Imperion warmachine?
- 6
Creeper World 3: Arc Eternal
Single-player alternative to IDUN - Frontline Survival — playable solo, no multiplayer required. Shares Strategy and Indie with IDUN - Frontline Survival.
Creeper World 3 is what happens when cellular automata takes over a strategy simulation. Instead of discrete units that attack your base, a fluid-like substance spreads over the terraformable terrain. Your base, your weapons, your strategy... you must adapt them all.
- 7
Desperate Place
Single-player alternative to IDUN - Frontline Survival — playable solo, no multiplayer required. Shares Strategy and Indie with IDUN - Frontline Survival.
Desperate Place is a strategic tower defense game where you play as a crew member who wakes up early on a damaged colonization starship. Stranded on an unknown planet, you must gather resources, repair the ship, and defend against alien monsters to survive and escape.
- 8
Border Pioneer
Single-player alternative to IDUN - Frontline Survival — playable solo, no multiplayer required. Shares Action and Strategy with IDUN - Frontline Survival.
As the kingdom's most promising pioneer, embark on a legendary journey to tame the frontier! Build thriving towns across various landscapes, fending off waves of diverse enemies until you establish a firm foothold and have explored everything the eye can see!
- 9
Creeper World 4
Single-player alternative to IDUN - Frontline Survival — playable solo, no multiplayer required. Shares Action and Strategy with IDUN - Frontline Survival.
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
- 10
SC2VN - The eSports Visual Novel
Single-player alternative to IDUN - Frontline Survival — playable solo, no multiplayer required. Shares Indie and Adventure with IDUN - Frontline Survival.
SC2VN is a visual novel about the South Korean StarCraft 2 scene. You play as Mach, a foreign semi-pro trying to make it in eSports who soon learns that success in StarCraft takes more than in-game strategy.