See how Terminal43 Code works
Three modules, one platform. Scroll to see Challenges, Games, and Reps in action.
Real coding problems in 4 languages
Pick a problem, write code in Python, C, C++, or JavaScript, hit Run. Tests run on our secure servers and results come back in seconds.
- 600+ problems graded automatically
- Switch languages without leaving the editor
- Test cases, stdout, and runtime in one view
Sentinel: learn security through a story
13 episodes, 60+ steps each. Solve real coding puzzles inside a plot you actually want to follow. Earn XP, level up, unlock the next episode.
- 13 hand-crafted episodes (Season 1)
- Real Python / shell / network puzzles, not multiple choice
- Leaderboard, badges, story arc
3 minutes a day, tap to answer
Bite-sized drills on your phone or laptop. Read the code, tap the right answer, move on. Streaks, hearts, crowns, the works. Try a mini-set right here, no signup needed.
- 500+ Python drills, plus C, C++, JavaScript, MySQL
- Spaced repetition surfaces the ones you keep missing
- Daily streak that actually means something