# Elevator

> The lifts of an office tower

A free logic puzzle in your browser. Give the lifts of an office tower their rules, then watch the day run. 20 levels and a new building every week.

Play it free in your browser: https://systempuzzles.com/play/elevator/

You don't drive the lifts. You write their rules, start the day and watch the building keep them.

A rule is two cards. Each car reads your list from the top whenever it reaches a floor, so the order of the cards
is the program.

## Facts

- Levels: 20, in 4 chapters
- Cars: 1 to 4
- Floors: 3 to 22
- Runs on: Any browser, phone too
- Saves: On its own
- Price: Free
- Status: Open
- Platforms: Web browser
- Release date: 4 Oct 2026
- Updated: 6 Oct 2026
- Version: 0.3.0
- Genre: Puzzle
- Tags: logic, programming, simulation, elevators
- Languages: English
- Inputs: Mouse, Keyboard, Touchscreen

Source: https://systempuzzles.com/puzzles/elevator