Games like Captain Whiskers: Incremental Seas
Captain Whiskers: Incremental Seas. These games share the most with it, and each one says why.

Meow Squad: Incremental Fishing
Also cats, ocean, upgrade tree
Net fish across five seas with a cat crew in 30 second rounds, grow a talent tree, and take on arcade boss fights to unlock deeper waters.
90% steam
Far Fishing
Also ocean, upgrade tree
Chase fish inside a circle from a small boat, upgrading it as you sail to the edge of the world across nine locations in about two hours.
97% steamhas ending
Ancient Russian Life Simulator
Also upgrade tree, incremental
A meme-heavy clicker where ancient warriors fight lizards, learn absurd techniques from a skill tree and sacrifice their foes for blessings.
95% steam
Garbage GrowthUpdated
Also upgrade tree, incremental
Pick up trash that people throw at you, add more polluters and hire rats to automate collection. A short, crude incremental with a skill tree.
91% steam3.9★ galaxy
GLONK
Also upgrade tree, incremental
Feed a hungry creature called Glonk to earn gold, spend it in a skill tree and add more Glonks. Short, with an ominous twist to its appetite.
89% steam
IGNOBLE
Also upgrade tree, incremental
Timed runs where you slaughter enemies for blood and bones, then spend the haul on a growing skill tree and a deck of ability cards.
83% steam
Profit Sea Incremental
Also ocean, incremental
Fish for gold, buy upgrades and hit milestones to grow your boat. A brief, relaxed incremental at sea.
79% steam
Luckyest
Also upgrade tree, incremental
Stake money on a grid of hidden outcomes, decide whether to cash out or push for multipliers, and spend winnings in a skill tree that improves future runs.
78% steam
Pegfinity
Also upgrade tree, incremental
Launch balls into a pachinko board where hits chain into combos, then buy permanent upgrades like explosive pegs, portals and lasers between runs.
76% steam
Tree Game Rewritten
Also incremental, upgrade tree
Grow a tree of upgrades and rebirth to push further, a rewrite of an early 2020 game.
4.1★ galaxy
The GOAT SurferUpdated
Also incremental, ocean
Start as a beginner surfer and work up to legend status through skills, jobs, quests and new surf spots.
3.7★ galaxy
3.6★ galaxy
Kitty Keep™Updated
Also cats, ocean
Cat heroes defend a beach castle from sea creatures in an idle tower defense that runs on auto-battle.

CMOW: Remeowed
Also incremental, cats
A remake of CMOW; the developer suggests a hard reset before starting.
3.2★ galaxy
Age IncrementalDormant
Also incremental, upgrade tree
Live out lives in real time, earn life points when you die, and spend them on lifespan, aging speed and ascension.
2.9★ galaxy
NodebusterComplete
Also upgrade tree
Sweep your cursor over nodes, spend the bits on a huge upgrade web, go again. A tight, active, few-hour hit.
97% steam3–6h ending10% idle
Digseum
Also upgrade tree
Dig up relics across a dozen sites and display them in your museum to fund better tools. A compact run of a few hours.
98% steam
Berry Bury Berry
Also upgrade tree
Grow berries in a first-person garden and drop them into a strange hole for cash, upgrading helpers while an unsettling mystery with several endings unfolds.
98% steamhas ending
Shelldiver
Also ocean
An elderly turtle pilots a submarine to catch jellyfish and salvage ocean junk, selling the haul to upgrade gear and dive into deeper biomes.
98% steam
Bongo Cat
Also cats
A cat on your taskbar drums every time you press a key, turning your everyday typing and clicking into points and random hat drops.
96% steam
Silly Linguine Cat Simulator Deluxe Online
Also cats
Pet a noodle-shaped cat to reach goals that pay out random crates, chasing over 350 skins and a spot on the petting leaderboard.
98% steam
(the) Gnorp Apologue
Also upgrade tree
Strike a rock for shards and hire a growing crew of gnorps to smash and haul them, stacking synergies until the numbers explode.
96% steam
Space Rock BreakerUpdated
Also upgrade tree
Blast asteroids with guns and lasers, then drop the ore through an upgradable Plinko board for credits to spend on a large skill tree.
96% steam
Cornerpond
Also ocean
A fisherman in the corner of your screen catches fish on his own; sell them for rod and bait upgrades and fill a journal of 100+ species.
97% steam90% idle