Single-player games like Doodle Harmony Idle Merge
Below are 8 single-player Steam games similar to Doodle Harmony Idle Merge, 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 Doodle Harmony Idle Merge page.
Ranked picks
- 1

Cats Everywhere
Single-player alternative to Doodle Harmony Idle Merge — playable solo, no multiplayer required. Shares Indie and Casual with Doodle Harmony Idle Merge.
Find cats in a relaxing hidden-object game for cat lovers. Can you find them all?
- 2

101 Cats
Single-player alternative to Doodle Harmony Idle Merge — playable solo, no multiplayer required. Shares Indie and Casual with Doodle Harmony Idle Merge.
Join this adventure and discover the hiding places of 101 kittens 🐾 hand-crafted landscape. 🏆 Earn lots of achievements. How many 😺 can you find? 🔎 Be quick! ⏱️
- 3

101 Cats in Dubai
Single-player alternative to Doodle Harmony Idle Merge — playable solo, no multiplayer required. Shares Indie and Casual with Doodle Harmony Idle Merge.
Join this adventure and discover the hiding places of 101 kittens 🐾 in the hand-crafted Dubai landscape. 🏆 Earn lots of achievements. How many 😺 can you find? 🔎 Be quick! ⏱️
- 4

100 Cats Singapore
Single-player alternative to Doodle Harmony Idle Merge — playable solo, no multiplayer required. Shares Indie and Casual with Doodle Harmony Idle Merge.
Find 100 Cats hidden in Singapore! Can you find them all? 😺
- 5

Where Cats 猫咪在哪里
Single-player alternative to Doodle Harmony Idle Merge — playable solo, no multiplayer required. Shares Indie and Casual with Doodle Harmony Idle Merge.
Find 100 cats. A carefully hand drawn scene filled with cute characters. The process is short and won't take up too much player time. You can choose your favorite dyeing for the convenience of color blind players. Extremely easy to achieve.
- 6

Chonkers
Single-player alternative to Doodle Harmony Idle Merge — playable solo, no multiplayer required. Shares Casual with Doodle Harmony Idle Merge.
Chonkers is a cozy and relaxing idle game. Adopt the cutest fur balls and watch them ramp up the chonk scale as you play with them. Find them a new family. They’ll pay A LOT for your hefty chonker! Complete your collection by finding all the breeds and the rarest space cats!
- 7

A Building Full of Cats
Single-player alternative to Doodle Harmony Idle Merge — playable solo, no multiplayer required. Shares Casual with Doodle Harmony Idle Merge.
A Building Full of Cats is a hidden object game where you need to pet all the cats in the building. Don't leave any cats behind!
- 8

Palladise Island
Single-player alternative to Doodle Harmony Idle Merge — playable solo, no multiplayer required. Shares Casual with Doodle Harmony Idle Merge.
Palladise Island is a easy idle game that is suitable for someone who want to relax or mess around.