Single-player games like Gemini
Below are 16 single-player Steam games similar to Gemini, 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 Gemini page.
Ranked picks
- 1
Stardust Defenders
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
Stardust Defenders is a tower defense, roguelike, bullet hell, where you will face hordes of enemy creatures with the power of forest spirits, leveling up and choosing upgrades that will allow you to survive.
- 2
Tomb Of AnuBI0S
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
Tomb of AnuBI0S is an unique 2D tower defense-platformer with an Egyptian Sci-fi setting. Defend the AI deity RAm from waves of undead "Organics." Upgrade your arsenal from weapons to walls, turrets, and your player capabilities. Immerse yourself in meticulously crafted levels and defend RAm!
- 3
Stronghold Conquest
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
In this thrilling Tower Defense - type game, you will become the main defender of your kingdom. Build powerful guns and strategically deploy them on the battlefield to fend off waves of incoming enemies. Your goal is to protect your territory and destroy all threats using various types of guns.
- 4
Orcs Must Die! Deathtrap
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
Orcs Must Die! Deathtrap combines chaotic third-person combat with devious trap-laying strategy. Enjoy endless replayability as your War Mage grows stronger through roguelite progression. Repel relentless orc hordes solo or with up to 4 players.
- 5
Bardbarian
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
You play as Brad the barbarian, who is awoken to the sounds of his town under siege. Today is different though; Brad has grown tired of fighting all the time. The usual grind for XP has grown dull, and he has decided to pursue his dreams of making music instead of shedding blood.
- 6
Forest Heroes
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
Forest Heroes combines defense gameplay with roguelike deck-building. Enjoy intense battles and diverse strategies with simple controls!
- 7
Octogeddon
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
You ARE Octogeddon, a massive mutant octopus with one mission: DESTROY the world! Grow more tentacles and evolve each of them into deadlier and deadlier weapons until you become the ultimate eight-legged killing machine!
- 8
Bloodsports.TV
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Strategy with Gemini.
Co-Op Hero Defense set in a deadly post-apocalyptic Sweden. Team up with your friends and protect the Missile Silo against horrific beasts and outlaws.
- 9
Shelldiver
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Adventure with Gemini.
Take a deep breath and dive right into this cozy incremental game about a senior turtle trying to start a business selling jellyfish. Upgrade your equipment, explore biomes, and help your turtly village!
- 10
Rocket Rats
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Casual with Gemini.
Rocket Rats is a survivors-like game where you defeat cheese-based astral bodies in space – as a rat! Clear waves of enemies, collect cheese, upgrade your gear, and conquer the moon!
- 11
Doomed to Hell
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Adventure with Gemini.
Doomed to Hell is a roguelike-like top-down shooter where you play as Rose, a human in hell who will need to fight all of its monsters in waves of enemies, defeat bosses, and get new weapons to earn back his life on earth.
- 12
Archaeogem
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Adventure with Gemini.
Hats up and whips out; the wilderness' mysteries await! Explore lush biomes, use your trusty whip to extract wild flowers' mystic powers, and collect rare gems in this dynamic precision-platformer. Unearth archaeological marvels and become a legend!
- 13
Toroom
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Adventure with Gemini.
Toroom is a dungeon crawler roguelike-like top-down shooter, where the protagonist just wants to come back to his bedroom after waking up in a world of fantasy. Fight your way through multiple biomes, clear rooms full of enemies, get as much loot as possible and defeat the bosses in your way.
- 14
Colorful Colore
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Strategy and Indie with Gemini.
Colorful Colore is a Puzzle Labyrinth game, where your objective is to get in the exit matching the correct colors in the way.
- 15
Wizodd
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Action and Indie with Gemini.
Wizodd is a dungeon crawler roguelike game where you find various equipment and upgrades while encountering dangerous monsters and bosses to advance down to the lower floors.
- 16
Bob Help Them
Single-player alternative to Gemini — playable solo, no multiplayer required. Shares Strategy and Indie with Gemini.
Bob Help Them is a timer-based game, where your goal is to help all NPC's before the timer ends.