Games like Necromancer Idle: The Endless Drain
Games like Necromancer Idle: The Endless Drain include Melvor Idle, Cookie Clicker, Idle Champions of the Forgotten Realms, (the) Gnorp Apologue, and Dragon Cliff. We matched them by the tags players give Necromancer Idle: The Endless Drain on Steam (RPG, Casual, Idler, Incremental, and Roguelike): closest matches first, and among equally close ones the better-known games.

Melvor Idle
Shared: RPG · Idler · Casual

Cookie Clicker
Shared: Idler · Incremental · Casual

Idle Champions of the Forgotten Realms
Shared: Idler · Incremental · RPG

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

Dragon Cliff
Shared: RPG · Idler · Incremental

Vampire Survivors
Shared: Roguelite · Casual · 2D

Nodebuster
Shared: Casual · Incremental · Idler

xiuzhen idle
Shared: Idler · Casual · RPG

Timber Rush
Shared: Casual · Idler · Roguelike

Increlution
Shared: Idler · Incremental · Roguelite

Tower Wizard
Shared: Idler · Incremental · 2D

Maktala: Slime Lootfest
Shared: RPG · Incremental · Idler

挂机神话
Shared: Casual · Idler · Incremental

Firestone – Idle Clicker Online RPG
Shared: Idler · Incremental · RPG

Bills Must Be Paid
Shared: Incremental · Roguelite · Idler

Keep on Mining!
Shared: Casual · Idler · Incremental

Nomad Idle
Shared: Idler · Incremental · Casual

A Game About Feeding A Black Hole
Shared: Casual · Incremental · Idler

Your Chronicle
Shared: RPG · Idler · Incremental

Darkest Dungeon®
Shared: RPG · Roguelike · Dark Fantasy

Slots & Daggers
Shared: Casual · Roguelike · Roguelite

Loot Loop
Shared: Casual · Incremental · Idler

Death Must Die
Shared: RPG · Roguelite · Roguelike

Samawa Idle
Shared: Idler · Incremental · RPG