| 1. | Portal 2 | Part 1 | WHERE ARE MY FEET?! | 82 | | Portal 2
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| 2. | Portal 2 | Part 4 | TIME TO ESCAPE | 28 | | Portal 2
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| 3. | HUMAN VEGETABLES | Portal 2 [REDUX] #1 | 16 | | Portal 2
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| 4. | Portal 2 | Part 5 | WHO'S THE BOSS NOW? | 16 | | Portal 2
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| 5. | Portal 2 | Part 12 [END] | THE FINAL BATTLE | 15 | | Portal 2
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| 6. | Portal 2 | Part 2 | I'VE GONE CRAZY | 13 | | Portal 2
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| 7. | WAKING HER UP | Portal 2 [REDUX] #2 | 11 | | Portal 2
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| 8. | OUTSMARTING THE TURRETS | Portal 2 [REDUX] #5 | 10 | | Portal 2
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| 9. | Portal 2 | Part 3 | GLaD-ASS | 9 | | Portal 2
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| 10. | Portal 2 | Part 9 | UH OH, I'M LOSING IT AGAIN | 9 | | Portal 2
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| 11. | I AM OFFICIALLY THE DUMBEST MAN ALIVE | Portal 2 [REDUX] #17 | 8 | | Portal 2
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| 12. | LASER MOTION | Portal 2 [REDUX] #18 | 8 | | Portal 2
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| 13. | MOON ROCKS ARE POISON | Portal 2 [REDUX] #13 | 7 | | Portal 2
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| 14. | Portal 2 | Part 8 | COMBUSTIBLE LEMONS | 6 | | Portal 2
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| 15. | THE PART WHERE HE KILLS US | Portal 2 [REDUX] #19 | 6 | | Portal 2
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| 16. | FINAL SHOWDOWN AND SUPER 8 TEASER | Portal 2 [REDUX] #21 [END] | 6 | Show | Portal 2
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| 17. | PORTAL 2 VIBES | Magrunner #2 | 5 | | Portal 2
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| 18. | GLADOS HAS A CONCIENCE? | Portal 2 [REDUX] #20 | 5 | | Portal 2
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| 19. | DIRECTING LASERS AND FAKE COMPANION CUBES | Portal 2 [REDUX] #3 | 5 | | Portal 2
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| 20. | BOINGY | Portal 2 [REDUX] #4 | 4 | | Portal 2
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| 21. | Portal 2 | Part 11 | STUCK AGAIN | 4 | | Portal 2
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| 22. | SABOTAGE EVERYTHING | Portal 2 [REDUX] #8 | 4 | | Portal 2
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| 23. | BURN THIS GAME WITH LEMONS | Portal 2 [REDUX] #14 | 4 | | Portal 2
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| 24. | Portal 2 | Part 10 | FLOATY THINGIES | 3 | | Portal 2
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| 25. | GETTING HIGH FROM TESTING | Portal 2 [REDUX] #16 | 3 | | Portal 2
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| 26. | GOOD OLD CONFUSION | Portal 2 [REDUX] #6 | 3 | | Portal 2
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| 27. | ESCAPING THIS GEL-HOLE | Portal 2 [REDUX] #15 | 3 | | Portal 2
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| 28. | Portal 2 | Part 6 | TIME FOR GEL, CHELL | 3 | | Portal 2
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| 29. | PLAYING WITH GOO | Portal 2 [REDUX] #10 | 3 | | Portal 2
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| 30. | TATER BOT | Portal 2 [REDUX] #12 | 3 | | Portal 2
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| 31. | THE TAKEOVER | Portal 2 [REDUX] #9 | 3 | | Portal 2
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| 32. | ESCAPING THE TESTS | Portal 2 [REDUX] #7 | 2 | | Portal 2
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| 33. | CORRECT SOLUTION OR NOT? | Portal 2 [REDUX] #11 | 2 | | Portal 2
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| 34. | Portal 2 | Part 7 | BACK FROM THE FUTURE | 2 | | Portal 2
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