Games like Aether Keepers
Games like Aether Keepers include Shelldiver, Nodebuster, Bills Must Be Paid, Keep on Mining!, and Incredicer. We matched them by the tags players give Aether Keepers on Steam (Strategy, Tower Defense, Relaxing, Idler, and Bullet Hell): closest matches first, and among equally close ones the better-known games.

Shelldiver
Shared: Idler · Relaxing · Arcade

Nodebuster
Shared: Strategy · Idler · Arcade

Bills Must Be Paid
Shared: Strategy · Relaxing · Idler

Keep on Mining!
Shared: Idler · Relaxing · Arcade

Incredicer
Shared: Idler · Strategy · Relaxing

Cookie Clicker
Shared: Idler · Collectathon · Casual

A Game About Feeding A Black Hole
Shared: Strategy · Relaxing · Idler

Kingdom Rush - Tower Defense
Shared: Strategy · Tower Defense · Fantasy

Tower Wizard
Shared: Strategy · Idler · Fantasy

Chef Knight
Shared: Strategy · Idler · Simulation

Mini Motorways
Shared: Strategy · Relaxing · Simulation

Zero Stress King: Idle Defense
Shared: Tower Defense · Strategy · Idler

Scritchy Scratchy
Shared: Idler · Relaxing · Arcade

Idle Champions of the Forgotten Realms
Shared: Strategy · Idler · Fantasy

Bloons TD 6
Shared: Strategy · Tower Defense · Casual

Outhold
Shared: Tower Defense · Strategy · Relaxing

Keep on Mining! - Worlds
Shared: Relaxing · Idler · Collectathon

Kingdom Rush Origins - Tower Defense
Shared: Strategy · Tower Defense · Tactical

Librarian: Tidy Up the Arcane Library!
Shared: Relaxing · Collectathon · Casual

Dragon Cliff
Shared: Strategy · Idler · RPG

Plants vs. Zombies GOTY Edition
Shared: Tower Defense · Strategy · Casual

Dorfromantik
Shared: Relaxing · Strategy · Casual

Timber Rush
Shared: Idler · Strategy · Relaxing

Plague Inc: Evolved
Shared: Strategy · Simulation · Tactical