When I was in high school, I would often make video games in Microsoft Excel when I was bored. Here are the finished ones.

A more refined version of Sethbling's Minecraft 2.0.

Connect 4
The classic 4-in-a-row game for 2 players.

Ported from a version I coded on a TI-84 Calculator.

That word game everyone used to play, now in Excel.

Slide Puzzle
A good-ol' 15 puzzle.