Games like Whimsy Koi, ranked by tags and themes. Prices included.

1
Chillquarium
92%positive
PLN 6.44
2
Tiny Aquarium: Social Fishkeeping
96%positive
PLN 24.27
3
Easy Bubbles
91%positive
PLN 27.50
4
Joyquarium
91%positive
PLN 6.87
5
Aviarium
70%positive
PLN 36.99
6
Amphibarium
67%positive
PLN 36.99
7
Cornerpond
97%positive
PLN 13.49
8
Chonkers
88%positive
PLN 16.99
9
Ribbit Ranch
98%positive
PLN 27.50
10
Desktop Fishes
77%positive
PLN 27.50
11
Ropuka's Idle Island
96%positive
PLN 9.99
12
Lured In
82%positive
PLN 27.59
13
Idlequarium
70%positive
PLN 8.25
14
Whimside
92%positive
PLN 26.86
15
Idle Waters
95%positive
PLN 22.99
16
Cozy Island Idle
69%positive
PLN 13.49
17
Kamaeru: A Frog Refuge
85%positive
PLN 9.81
18
Aquanima
91%positive
PLN 13.49
19
Fishlets
92%positive
PLN 27.50
20
Cast n Chill
95%positive
PLN 57.79
21
Fischer's Fishing Journey
91%positive
PLN 8.16
22
Fantasy Aquarium
78%positive
PLN 4.79
23
Tranquil Builds
100%positive
PLN 8.99
24
Incremental Cats
100%positive
PLN 13.49
25
HydroTick: Water Reminder & Aquarium Manager
100%positive
PLN 8.99
26
Cozy Littlequarium
94%positive
PLN 25.00
27
Tranquil Koi 鯉の池
71%positive
PLN 13.49
28
FISHTOPIA
89%positive
PLN 40.99
What games are like Whimsy Koi?

The closest matches to Whimsy Koi right now are Chillquarium, Tiny Aquarium: Social Fishkeeping, Easy Bubbles, Joyquarium, Tiny Pasture. The ranking compares 49 games by shared tags, theme and review quality, each with its cheapest price across official stores and keyshops.