Games like 富甲天下3
Games like 富甲天下3 include Bloons TD 6, Plants vs. Zombies GOTY Edition, Richman 11, UNO, and Richman10. We matched them by the tags players give 富甲天下3 on Steam (Casual, Strategy, Tabletop, Turn-Based Tactics, and Comedy): closest matches first, and among equally close ones the better-known games.

Bloons TD 6
Shared: Strategy · Casual · Singleplayer

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

Richman 11
Shared: Casual · Turn-Based Tactics · Strategy

UNO
Shared: Tabletop · Casual · Strategy

Richman10
Shared: Casual · Tabletop · Strategy

Dota Underlords
Shared: Strategy · Casual · Turn-Based Tactics

Liars Bar
Shared: Casual · PvP · Tabletop

Rento Fortune: Online Dice Board Game (大富翁)
Shared: Casual · Strategy · Tabletop

Overcooked! 2
Shared: Casual · Multiplayer · 4 Player Local

Landfall Archives
Shared: Casual · Comedy · Strategy

Richman 4
Shared: Casual · Tabletop · Cute

Party Animals
Shared: Casual · Cute · Multiplayer

Yu-Gi-Oh! Master Duel
Shared: Strategy · PvP · Turn-Based Tactics

Plague Inc: Evolved
Shared: Strategy · Casual · Singleplayer

Carcassonne - Tiles and Tactics
Shared: Strategy · Casual · Tabletop

100% Orange Juice
Shared: Strategy · Cute · Casual

Hasbro's BATTLESHIP
Shared: Tabletop · Strategy · Casual

The WereCleaner
Shared: Casual · Strategy · Cute

Just Xiangqi
Shared: Strategy · Turn-Based Tactics · Tabletop

Golf With Your Friends
Shared: Casual · Multiplayer · Singleplayer

Dale & Dawson Stationery Supplies
Shared: Casual · Comedy · 3D

MECCHA CHAMELEON
Shared: Casual · Comedy · Multiplayer

The Battle of Polytopia
Shared: Strategy · Turn-Based Tactics · Singleplayer

Scribblenauts Unlimited
Shared: Casual · Singleplayer · Comedy