Games like Ignis
Games like Ignis include Mini Motorways, Hexcells, Mini Metro, Linelith, and Sudoku Universe / 数独宇宙. We matched them by the tags players give Ignis on Steam (Casual, Strategy, Puzzle, RTS, and 3D): closest matches first, and among equally close ones the better-known games.

Mini Motorways
Shared: Strategy · Casual · Puzzle

Hexcells
Shared: Casual · Puzzle · Strategy

Mini Metro
Shared: Strategy · Puzzle · Casual

Linelith
Shared: Casual · Strategy · Puzzle

Sudoku Universe / 数独宇宙
Shared: Casual · Puzzle · Strategy

Hexcells Infinite
Shared: Casual · Puzzle · Strategy

Moncage
Shared: Casual · Puzzle · Abstract

Zup! S
Shared: Casual · Puzzle · Minimalist

Hook
Shared: Casual · Puzzle · Abstract

ISLANDERS
Shared: Strategy · Puzzle · Minimalist

Lines X
Shared: Casual · Strategy · Puzzle

Wayout
Shared: Casual · Puzzle · Strategy

Patrick's Parabox
Shared: Puzzle · Abstract · Minimalist

Dorfromantik
Shared: Puzzle · Casual · Strategy

Hexcells Plus
Shared: Casual · Puzzle · Strategy

Sizeable
Shared: Casual · Puzzle · 3D

Terra Nil
Shared: Strategy · Puzzle · Casual

Bloons TD 6
Shared: Strategy · Casual · 3D

SiNKR
Shared: Strategy · Puzzle · Casual

LYNE
Shared: Puzzle · Casual · Minimalist

Age of Mythology: Retold
Shared: Strategy · RTS · 3D

Plants vs. Zombies GOTY Edition
Shared: Strategy · Casual · Puzzle

Zup!
Shared: Casual · Puzzle · Indie

14 Minesweeper Variants
Shared: Puzzle · Casual · Minimalist