Here are two neat online video games that can be used for language learning and which may, with luck, may not even be blocked by school content filters. I’ve written about how I use these games, along with their walkthroughs (instructions on how to win), with my English Language Learner students. In both of these games, be sure to click the yellow bar in the lower left hand side of the game to turn the language to English:

Roof Escape 2 (walkthrough)

J Room (walkthrough)