Blog — Page 2

Level walkthroughs for the games on this site, written from the actual boards, plus what the research says about puzzles and the brain and how browser games work.

Browser Gaming

How Free Browser Games Make Money

How free games make money is not a secret: display ads, rewarded video, sponsorship, purchases and licensing. What each pays and what it costs the player.

Jing · · 8 min read

Traffic & Unblock Puzzles

Helicopter Escape: Guide to Clearing the Airspace

The Helicopter Escape game is a one-tap route puzzle: an aircraft flies out when the line ahead of its nose is clear. Rules from the code, situations, habits.

Jing · · 10 min read

Arrow Escape Guides

What Makes a Good Puzzle Level: A Designer's View

Puzzle level design judged by numbers from 100 measured boards: how wide the choice is, how deep the board peels, what a mistake costs, and where the curve breaks.

Jing · · 11 min read

Traffic & Unblock Puzzles

Traffic Escape Walkthrough: The Early Game

A Traffic Escape walkthrough of the early game by situation rather than by level: the clockless first board, the edge scan, blocked taps, and when to take a heart.

Jing · · 10 min read

Traffic & Unblock Puzzles

Why Traffic Puzzles Are Mathematically Hard

Sliding block puzzle complexity is settled: Rush Hour is PSPACE-complete, dominoes suffice for hardness, the fifteen puzzle has unreachable positions. What it means.

Jing · · 10 min read

Arrow Escape Guides

Arrow Escape: Complete Guide to Every Level

An Arrow Escape guide built from the real boards: the rules, a level 1 opening, what changes at levels 3, 47 and 100, and the hardest levels by the numbers.

Jing · · 16 min read