GCH Challenge
Live Invite-only research season
On airLive classroom games

Lights on.
Class is live.

GCH Challenge runs your lesson like a broadcast. The lesson plays on the big screen, students answer and play on their phones, and every right answer lands on the scoreboard.

You're on the list. We'll be in touch when spots open.

See how it worksInvite-only for now. Opening to everyone after research.
Join now
Students join withon any phone
Now showing
Lesson on the screen. Answers on the phones. Points on the board.
01 The broadcast

How a live session runs.

You run the show from the front of the room. Students follow along on their own phones. Scroll to watch one session from the opening code to the final whistle.

Join on your phone
482 913
MayaLeoAmirSofiaKenjiPriyaNoahAva
Lesson · Slide 2 of 4

Why is Mars
red?

Its surface is covered in iron-rich dust. When iron meets oxygen it rusts, and rust is red.

Question 3

Which planet is called
the Red Planet?

AVenus13%
BMars71%
CJupiter9%
DSaturn7%
Leaderboard

Points on
the board.

1Maya300
2Amir300
3Leo200
Game round

Card matching.
Play on your phone.

Maya
Enter code
482 913
Join
Look at the screen
A
B
C
D
+100Correct
Leo
Enter code
482 913
Join
Look at the screen
A
B
C
D
Not this timeNext one
Amir
Enter code
482 913
Join
Look at the screen
A
B
C
D
+100Correct
Sofia
Enter code
482 913
Join
Look at the screen
A
B
C
D
+100Correct
Go livePut the session on the projector. Students join with the code on screen.
LessonSlides and clips play up front. Phones say "Look at the screen".
QuestionThe question goes up. Every student answers on their own phone.
PointsRight answers score. The leaderboard updates live.
Game roundA learning game opens on every phone. Finishers score.
02 Campaigns

A season,
not a quiz.

Campaigns string videos, games, quizzes, polls and surveys into one challenge. Every task earns points, progress is tracked, and the standings keep the whole group coming back.

WatchWarm-up video+50
PlayWord search: muscles+100
QuizFive questions on the lesson+250
PollPick next week's sport+25
SurveyHow did this week go?+50
StandingsFall fitness challenge · Week 3
1Maya1,240
2Amir1,090
3Sofia1,005
4Leo820
5Priya715

Example standings. Names and points are illustrative.

03 The lineup

Short games.
Real practice.

Quick HTML5 games that run on any phone or screen. Each one can be branded for your program and built around your topic.

01Word searchFind the lesson's key words before time runs out.
02CrosswordClues from the lesson, answers from memory.
03Card matchingFlip, remember, pair the term with its meaning.
04Drag & dropSort it, order it, put it where it belongs.
05Line connectDraw the line from each idea to its match.
06Field & court positionsPut every player in the right spot on the field or court.
07Drumming & rhythmKeep the beat and learn the pattern.
08Granola bar builderBuild a snack and read what's in it.
Your colorsEvery game takes your program's logo, colors and words. Same engine, your team's jersey.
04 Teach first, then play

Pre-game.
Then kickoff.

A game can open with its own Lesson Clips and Lesson Slides, so students learn the material before they're tested on it.

Pre-game

Clips & slides

Short videos and slide decks set up the topic. In a live session they play on the big screen while phones wait.

  • Lesson Clips: short video
  • Lesson Slides: one idea per slide
  • You press Next, the room follows
Kickoff

The game

Then the game opens on every phone. Students use what they just learned, and finishers score.

  • Same topic, now in play
  • Points to the leaderboard
  • Works on phones or a shared screen
05 Every language, every device

Called in
10 languages.

Content can be translated so every student plays in a language they know. It runs in the iOS and Android app and in any web browser.

iPhoneiOS app
AndroidAndroid app
BrowserWeb app, no install
Commentary booth10 languages
EnglishEspañolFrançaisDeutschPortuguêsالعربيةहिन्दी中文日本語한국어
06 Research program

Invite-only season.
Then the doors open.

We're running GCH Challenge with a small group of schools and programs first, shaping it with the teachers who use it every day. When the research season wraps, we open to everyone. Join the waitlist and you'll hear first.

You're on the list. We'll be in touch when spots open.

Built with teachers in our research program

  1. 1
    Research seasonA small group of invited schools and programs.
  2. 2
    Shaped by teachersWhat they tell us decides what we build next.
  3. 3
    Doors openPublic launch. The waitlist hears first.