Welcome to CSGame 👋
12 games and 10 Python lessons, all built around the OCR J277 spec. Earn XP, level up and unlock badges.
🙂
Level
Boot Sequence
1
Day streak
play today to start one
0
Badges
unlocked
0/26
Games played
try them all
0/12
Arcade
Fast and furious – beat your high score.
NEWSpec 1.2
Binary InvadersSet the bits on your laser cannon to blast the invaders before they land.
NEWSpec 1.4
Firewall DefenderPhishing, malware, SQL injection… deploy the right defence before threats hit the server.
NEWAll topics
BytewordGuess the five-letter computer science word in six tries. New word every day.
All topics
Quiz Blitz160+ rapid-fire questions on every topic. Answer fast and build a streak multiplier.
Puzzles
Think it through – logic, data and detective work.
NEWSpec 2.2
SQL DetectiveThe exam papers have been leaked. Write SQL queries to find the culprit.
NEWSpec 1.1
CPU SimulatorBe the control unit: move data between the PC, MAR, MDR and ACC to run a program.
NEWSpec 1.2
Pixel DecoderDecode binary into pixel art, then work out how big the file is.
Spec 2.4
Logic LabRead AND, OR and NOT circuits and complete their truth tables.
Spec 2.1
Algorithm ArenaBe the computer for bubble, insertion and merge sort, binary and linear search.
Practice
Drill the skills examiners love to test.
Spec 1.2
Binary Blaster90-second rounds: binary, hex, binary addition, shifts and file sizes.
Spec 2.2
Code TracerPredict what Exam Reference Language programs output and hunt down bugs.
All topics
Keyword MatchPair key terms with their definitions against the clock.
Teaching GCSE Computer Science?
Create a free teacher account to make Python lessons with auto-marked tasks, give your class a join code and track their progress and XP.
For teachers →