Resources for English to Speakers of Other Languages teachers and students, and sometimes others
Much of the content here is for ESOL and other teachers and their students: classroom and reading tools, readings, diagnostics, and professional development. The rest is for anyone curious: interactive cryptography and math pages, point-and-click builders for command-line tools, browser games, software, and some writing. Everything is free to use, and the tools run locally, entirely in your browser. Aside from the actual software, nothing to install.
2026-11-11: No Fault of Their Own v0.15.0: the ship's department chiefs now speak up during the game, and you can answer them. The inquiry at the end weighs saving Earth and keeping the secret above how the crew feels, shows how it reached its score, and charges for breaking the rule against contact: more the earlier, and the more openly, it was broken.
2026-11-10: New in Games: No Fault of Their Own, a hard-science game of decisions. An alien scout ship finds an asteroid on course for Earth and has to stop it without being noticed, or break the rule against contact.
2026-11-01: Solar Expats v1.28.0: AI rivals now roll their own temperament each game, so they play to type but open differently, and they fight harder in a duel. The Factions Guide has the details.
2026-11-01: Solar Expats v1.27.0 adds a third way to win: study worlds for science data, then launch a Lens telescope to the Sun's gravitational focus, if your rivals don't stop it first.
Older items are on the News and Updates page. To follow the news in a feed reader, use the RSS feed, or the Educator Resources feed for the teaching news only.
Everything for teachers is collected under Educator Resources. I have used versions of most of it in real USA K–12 or adult ESOL classes. The main parts:
Interactive pages written for high school students, including English learners, so the explanations aim to be clear without being dumbed down.
Archived and no longer online: the CSCC LI 2020 Au-B Vocab class pages and the TGFS class pages.
Send comments, bug reports, and requests for other teacher-tool pages to chris@chrisspackman.com, or find me on Mastodon.
Last updated: 2026-11-11
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