Free · No signup to play · 4 stages

The Solar Challenge

how much do you really know?

Four stages, seven questions each. Answer fast for bonus points, learn something on every question, and see if you can reach Off-Grid Legend. Play free — you only share your name to land on the high-score board.

1

Backyard Rookie

Easy
2

Panel Pro

Medium🔒 Pass Backyard Rookie
3

Grid Wrangler

Advanced🔒 Pass Panel Pro
4

Off-Grid Legend

Expert🔒 Pass Grid Wrangler
⚡ All-time high scores

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