Portal 2 is a great game. The levels were hard enough that I couldn't figure them out straight away, but could still noticed the solution after 5-10 minutes. Games like Modern Warfare 3 couldn't hold a candle.
Portal 2 Walkthrough
Return to Aperture for further testing. Our Portal 2 Walkthrough provides a walkthrough for story mode, tips for co-op, and unlockables.
Xbox 360 Achievements
| Achievement Name | How To Earn | Reward |
|---|---|---|
| Air Show | Perform 2 aerial gestures before touching the ground in co-op | 20 |
| Asking for Trouble | Taunt GLaDOS in front of a camera in each of the five co-op courses | 10 |
| Bridge Building | Complete all test chambers in the Hard-Light Surfaces co-op course | 15 |
| Bridge Over Troubling Waters | Complete the first Hard Light Bridge test | 10 |
| Can't Touch This | Dance in front of a turret blocked by a hard light bridge in co-op | 10 |
| Confidence Building | Complete all test chambers in the Mass and Velocity co-op course | 10 |
| Door Prize | Examine all the vitrified test chamber doors | 20 |
| Drop Box | Place a cube on a button without touching the cube | 20 |
| Dual Pit Experiment | Do the same test twice | 15 |
| Empty Gesture | Drop your co-op partner in goo while they are gesturing by removing the bridge under them | 25 |
| Final Transmission | Find the hidden signal in one of the Rat Man's dens | 20 |
| Four Ring Circus | Enter 4 different portals without touching the ground in co-op | 25 |
| Friends List With Benefits | While playing co-op, hug 3 different people on your friends list | 50 |
| Gesticul-8 | Perform all 8 gestures of your own volition in co-op | 15 |
| Good Listener | Take GLaDOS' escape advice | 5 |
| High Five | Celebrate your cooperative calibration success | 5 |
| Iron Grip | Never lose a cube in Chamber 6 of the Mass and Velocity co-op course | 20 |
| Lunacy | That just happened | 20 |
| Narbacular Drop | Place a portal under your co-op partner while they are gesturing | 25 |
| No Hard Feelings | Save a turret from redemption | 10 |
| Obstacle Building | Complete all test chambers in the Excursion Funnels co-op course | 15 |
| Overclocker | Complete Test Chamber 10 in 70 seconds | 30 |
| Party of Three | Find the hidden companion cube in co-op test chamber | 25 |
| Pit Boss | Show that pit who's boss | 30 |
| Portal Conservation Society | Complete Chamber 3 in the Hard-Light Surfaces co-op course using only 5 total portal placements | 20 |
| Portrait of a LAdy | Find a hidden portrait | 10 |
| Preservation of Mass | Break the rules in Test Chamber 07 | 20 |
| Professor Portal | After completing co-op, complete Calibration Course online with a friend who hasn't played before | 75 |
| Pturretdactyl | Use an Aerial Faith Plate to launch a turret | 5 |
| Rock Portal Scissors | Win 3 co-op games of rock-paper-scissors in a row | 20 |
| SaBOTour | Make a break for it | 10 |
| Scanned Alone | Stand in a defective turret detector | 5 |
| Schrodinger's Catch | Catch a blue-painted box before it touches the ground | 20 |
| Ship Overboard | Discover the missing experiment | 10 |
| Smash TV | Break 11 test chamber monitors | 75 |
| Stalemate Associate | Press the button! | 15 |
| Still Alive | Complete Course 4 with neither you nor your co-op partner dying | 15 |
| Stranger Than Fiction | Master the Propulsion Gel | 15 |
| Tater Tote | Carry science forward | 15 |
| Team Building | Complete all test chambers in the Team Building co-op course | 10 |
| The Part Where He kills You | This is that part | 20 |
| Triple Crown | Solve 3 co-op chambers in the Mass and Velocity course in under 60 seconds each | 15 |
| Tunnel of Funnel | Master the Excursion Funnel | 15 |
| Undiscouraged | Complete the first Thermal Discouragement Beam test | 10 |
| Vertically Unchallenged | Master the Repulsion Gel | 15 |
| Wake Up Call | Survive the manual override | 5 |
| White Out | Complete the first Conversion Gel test | 15 |
| You Made Your Point | Refuse to solve the first test in Chapter 8 | 10 |
| You Monster | Reunite with GLaDOS | 5 |
| You Saved Science | Complete all test chambers in all courses of co-op | 100 |
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