Games like Bloks
Games like Bloks include Progressbar95, Bridge Constructor Portal, Mountain, Townscaper, and Nodebuster. We matched them by the tags players give Bloks on Steam (Simulation, Experimental, Puzzle, Arcade, and Building): closest matches first, and among equally close ones the better-known games.

Progressbar95
Shared: Experimental · Arcade · Puzzle

Bridge Constructor Portal
Shared: Simulation · Puzzle · Building

Mountain
Shared: Simulation · Experimental · God Game

Townscaper
Shared: Experimental · Building · Simulation

Nodebuster
Shared: Simulation · Arcade · Experimental

Opus Magnum
Shared: Puzzle · Simulation · Indie

Mini Metro
Shared: Puzzle · Simulation · 2D

Poly Bridge
Shared: Simulation · Building · Puzzle

Kerbal Space Program
Shared: Simulation · Building · Space

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

Reus
Shared: Simulation · God Game · Puzzle

Doodle God
Shared: Puzzle · Simulation · God Game

Papers, Please
Shared: Simulation · Puzzle · Indie

Mini Motorways
Shared: Simulation · Puzzle · Casual

Human Resource Machine
Shared: Puzzle · Simulation · Indie

SPORE™
Shared: Simulation · God Game · Casual

There Is No Game: Wrong Dimension
Shared: Puzzle · Indie · Comedy

Zuma Deluxe
Shared: Puzzle · Arcade · 2D

Two Point Hospital
Shared: Simulation · Building · Comedy

Garry's Mod
Shared: Building · Simulation · Casual

Peace, Death! 2
Shared: Simulation · Arcade · Puzzle

World of Goo
Shared: Puzzle · 2D · Indie

Simmiland
Shared: Simulation · God Game · Puzzle

Zup! S
Shared: Puzzle · 2D · Indie