Games like Natural Selection University
Games like Natural Selection University include Mewgenics, Volcano Princess, Darkest Dungeon® II, Inkbound, and The Last Spell. We matched them by the tags players give Natural Selection University on Steam (Time Management, Turn-Based Tactics, Roguelite, Perma Death, and Strategy RPG): closest matches first, and among equally close ones the better-known games.

Mewgenics
Shared: Turn-Based Tactics · Roguelite · Turn-Based Strategy

Volcano Princess
Shared: Life Sim · Choices Matter · Female Protagonist

Darkest Dungeon® II
Shared: Turn-Based Tactics · Roguelite · Perma Death

Inkbound
Shared: Turn-Based Tactics · Roguelite · Strategy RPG

The Last Spell
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy RPG

Loop Hero
Shared: Roguelite · Roguelike · Choices Matter

CHANGE: A Homeless Survival Experience
Shared: Time Management · Roguelite · Life Sim

Into the Breach
Shared: Turn-Based Tactics · Turn-Based Strategy · Roguelite

Legends of Kingdom Rush
Shared: Turn-Based Tactics · Roguelite · Turn-Based Strategy

Monster Train
Shared: Roguelite · Turn-Based Tactics · Turn-Based Strategy

Black Book
Shared: Turn-Based Tactics · Roguelite · Female Protagonist

Warhammer 40,000: Chaos Gate - Daemonhunters
Shared: Turn-Based Tactics · Strategy RPG · Turn-Based Strategy

Brutal Orchestra
Shared: Roguelite · Turn-Based Tactics · Perma Death

Crown Trick
Shared: Roguelite · Perma Death · Roguelike

Prime of Flames
Shared: Turn-Based Tactics · Strategy RPG · Roguelite

Magical Princess
Shared: Life Sim · Choices Matter · Female Protagonist

Banner of the Maid
Shared: Turn-Based Tactics · Turn-Based Strategy · Strategy

Home Behind 2
Shared: Roguelite · Roguelike · Strategy

Othercide
Shared: Turn-Based Tactics · Roguelite · Strategy

Astral Throne
Shared: Turn-Based Tactics · Roguelite · Perma Death

Lost Eidolons: Veil of the Witch
Shared: Turn-Based Tactics · Roguelite · Turn-Based Strategy

TROUBLESHOOTER: Abandoned Children
Shared: Turn-Based Tactics · Strategy RPG · Turn-Based Strategy

LONESTAR
Shared: Turn-Based Tactics · Roguelike · Roguelite

Trials of Fire
Shared: Turn-Based Tactics · Roguelite · Perma Death