Games like Kin and Conquest
Games like Kin and Conquest include Megabonk, Vampire Survivors, (the) Gnorp Apologue, Death Must Die, and Astro Prospector. We matched them by the tags players give Kin and Conquest on Steam (Incremental, Idler, Bullet Heaven, Roguelite, and Mining): closest matches first, and among equally close ones the better-known games.

Megabonk
Shared: Bullet Heaven · Roguelite · Bullet Hell

Vampire Survivors
Shared: Roguelite · Bullet Hell · 2D

(the) Gnorp Apologue
Shared: Incremental · Idler · Roguelite

Death Must Die
Shared: Roguelite · Bullet Hell · Bullet Heaven

Astro Prospector
Shared: Incremental · Roguelite · Bullet Heaven

Cookie Clicker
Shared: Incremental · Idler · Casual

Halls of Torment
Shared: Roguelite · Bullet Hell · Bullet Heaven

Keep on Mining!
Shared: Incremental · Idler · Mining

Brotato
Shared: Bullet Heaven · Bullet Hell · Roguelike

Shelldiver
Shared: Incremental · Idler · 2D

Boneraiser Minions
Shared: Roguelite · Bullet Hell · Bullet Heaven

Rogue: Genesia
Shared: Bullet Heaven · Roguelite · Bullet Hell

Soulstone Survivors
Shared: Bullet Heaven · Roguelite · Bullet Hell

BALL x PIT
Shared: Roguelite · Bullet Hell · Action

Digseum
Shared: Incremental · Idler · Mining

Tower Wizard
Shared: Incremental · Idler · 2D

Bills Must Be Paid
Shared: Incremental · Roguelite · Idler

Tower of Babel: Survivors of Chaos
Shared: Bullet Heaven · Roguelite · Bullet Hell

Deep Rock Galactic: Survivor
Shared: Bullet Heaven · Roguelite · Bullet Hell

Nomad Idle
Shared: Incremental · Idler · Roguelite

The Spell Brigade
Shared: Bullet Heaven · Roguelite · Bullet Hell

Nova Drift
Shared: Roguelite · Bullet Hell · Bullet Heaven

Atomicrops
Shared: Bullet Hell · Roguelite · Bullet Heaven

Skul: The Hero Slayer
Shared: Roguelite · 2D · Roguelike