Games like Function Ball(関数球)
Games like Function Ball(関数球) include Kerbal Space Program, Poly Bridge, Bridge Constructor Portal, Garry's Mod, and Poly Bridge 2. We matched them by the tags players give Function Ball(関数球) on Steam (Puzzle, Physics, Simulation, Education, and Casual): closest matches first, and among equally close ones the better-known games.

Kerbal Space Program
Shared: Simulation · Physics · Building

Poly Bridge
Shared: Physics · Puzzle · Simulation

Bridge Constructor Portal
Shared: Puzzle · Simulation · Physics

Garry's Mod
Shared: Physics · Building · Casual

Poly Bridge 2
Shared: Physics · Puzzle · Simulation

Zup! S
Shared: Puzzle · Physics · Casual

while True: learn()
Shared: Puzzle · Simulation · Education

Crazy Machines 3
Shared: Puzzle · Simulation · Physics

People Playground
Shared: Physics · Simulation · Building

World of Goo
Shared: Puzzle · Physics · Casual

Mini Motorways
Shared: Simulation · Puzzle · Casual

Mini Metro
Shared: Puzzle · Simulation · Casual

PC Building Simulator
Shared: Simulation · Education · Building

House Flipper
Shared: Simulation · Building · Casual

Gas Station Simulator
Shared: Simulation · Casual · Building

Besiege
Shared: Simulation · Physics · Building

Zup!
Shared: Puzzle · Casual · Physics

Car Mechanic Simulator 2015
Shared: Simulation · Education · Building

Universe Sandbox
Shared: Simulation · Physics · Education

Bridge Constructor
Shared: Simulation · Physics · Puzzle

Zup! F
Shared: Puzzle · Casual · Physics

Human Resource Machine
Shared: Puzzle · Education · Casual

Papers, Please
Shared: Simulation · Puzzle · Indie

Zup! 2
Shared: Puzzle · Casual · Physics