Single-player games like Slime Kingdom: Idle
Below are 9 single-player Steam games similar to Slime Kingdom: Idle, 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 Slime Kingdom: Idle page.
Ranked picks
- 1
One More Byte
Single-player alternative to Slime Kingdom: Idle — playable solo, no multiplayer required. Shares Indie and Casual with Slime Kingdom: Idle.
A short incremental game where you try to download the entire universe. Just one more byte...
- 2
Crownhold
Single-player alternative to Slime Kingdom: Idle — playable solo, no multiplayer required. Shares Indie with Slime Kingdom: Idle.
Noble Rulers — grow your realm and expand your castle in this short incremental game! Manage resources, discover foreign lands and build up an army to lay siege to your enemies.
- 3
Plausible Deniability - Cover Your Tracks
Single-player alternative to Slime Kingdom: Idle — playable solo, no multiplayer required. Shares Indie and Casual with Slime Kingdom: Idle.
A satisfying incremental game about breaking boxes, shredding paperwork, and upgrading your operation to keep up with an endless flood of documents.
- 4
Bloom Inc
Single-player alternative to Slime Kingdom: Idle — playable solo, no multiplayer required. Shares Indie with Slime Kingdom: Idle.
Bloom Inc is a cozy incremental gardening game. Harvest plants, unlock skills and abilities. Explore different maps and grow your own plants in the background.
- 5
Pibcremental
Single-player alternative to Slime Kingdom: Idle — playable solo, no multiplayer required. Shares Indie and Casual with Slime Kingdom: Idle.
A cozy, chaotic idle-incremental clicker about growing a civilisation of tiny creatures called Pibbles in a giant tree, set in a post-human world.
- 6
Chill Wizard
Single-player alternative to Slime Kingdom: Idle — playable solo, no multiplayer required. Shares Indie and Casual with Slime Kingdom: Idle.
A chill incremental game with tower defense vibes where enemies can't harm you! You're a powerful wizard on an epic quest to party! Defeat hordes of joy killers for resources (Moonshine, Tobacco, and more!), construct buildings, call up to 6 friends. Drink A LOT of cocktails to upgrade your skills!
- 7
Snack Smasher
Single-player alternative to Slime Kingdom: Idle — playable solo, no multiplayer required. Shares Indie and Casual with Slime Kingdom: Idle.
An incremental game all about smashing fruits and snacks! Upgrade your smasher, unlock new power-ups, and enjoy the pleasure of smashing everything in your path!
- 8
Way Too Many Eggs
Single-player alternative to Slime Kingdom: Idle — playable solo, no multiplayer required. Shares Indie and Casual with Slime Kingdom: Idle.
Way Too Many Eggs is an incremental game about turning a tiny chicken farm into egg-filled chaos. Collect eggs, grow your flock, hire helpers, crack giant eggs and unlock permanent upgrades in the skill tree!
- 9
Slime Kingdom: The Tale of the Slime That Became a Hero
Single-player alternative to Slime Kingdom: Idle — playable solo, no multiplayer required. Shares Casual with Slime Kingdom: Idle.
A deckbuilding tabletop rpg narrated by the Slime King. Take on quests, battle through the land as you explore and collect cards, trinkets and gold. Build decks that synergise with your skills and face the ultimate enemies! All in the journey to become the Slime Hero!