| UEFA Euro 2012 | 02/26/2012 - 19:50 | juliette |  |
| UFO | 03/20/2010 - 18:13 | GingeRage |  |
| UFO Panic Attack | 11/18/2013 - 17:33 | thecatamites |  |
| uford12a | 02/25/2012 - 15:54 | allen |  |
| ugg boots | 10/17/2012 - 16:14 | juliette |  |
| Uggin it | 10/20/2012 - 03:38 | x |  |
| Uggin it Newgrounds Edition | 10/27/2012 - 22:56 | x |  |
| uhhhh | 06/15/2013 - 18:58 | SpindleyQ |  |
| Uke Hunt | 03/15/2012 - 07:45 | mendonca |  |
| Ultimate Crapshoot Battle | 05/16/2010 - 11:19 | Zecks |  |
| Ultimate Game | 08/20/2011 - 13:12 | L |  |
| ULTIMATE JUDGEMENT | 01/28/2012 - 08:02 | Smedis2 |  |
| Ultimate Smash Bros: Klik "N" Play Edition | 06/15/2013 - 18:14 | tininsteelian |  |
| Ultimate Sorcerer's Challenge | 02/27/2012 - 05:39 | kylerhoades |  |
| Ultimate Trainwreck Training Simulator | 02/27/2012 - 13:31 | markp0rter |  |
| ULTIMATE ZIT POPPER | 02/26/2012 - 04:07 | Brocrates |  |
| Ultra Balloon Bros. | 02/11/2012 - 16:51 | Shadsy |  |
| Umairi | 01/11/2026 - 09:10 | Dragon Wasabi Potato |  |
| Umbrella Trip | 03/07/2012 - 14:59 | chardish | |
| Umpdate Glonious Tronwronks Server 4 | 06/25/2020 - 00:57 | 2sman |  |
| Uncover the Truth | 02/28/2010 - 15:39 | LFF |  |
| Undead Death 95 | 09/05/2015 - 01:28 | 2sman |  |
| Under Space 27 | 02/27/2010 - 20:59 | joaquin |  |
| Underline Adventures | 03/28/2010 - 01:22 | Super-Dot |  |
| Underwater adventure! | 04/06/2019 - 22:45 | sylvie |  |
| Unfinished Island | 07/17/2010 - 18:21 | GregWS |  |
| Ungrateful Birds | 06/04/2017 - 02:51 | thesycophant |  |
| Unicorn Adventure [Prototype] | 02/26/2012 - 21:25 | KristopherWindsor |  |
| Unintentional Christmas Tree | 03/02/2012 - 09:49 | J |  |
| Unko's Adventure in Magical Land | 11/20/2010 - 18:48 | bento_smile |  |
| Unlikely Arsenal | 10/02/2011 - 02:48 | L |  |
| Unpark Your Car | 02/21/2012 - 06:20 | FlaviusMaximus |  |
| Unplayable Asteroids | 11/19/2011 - 16:01 | mcc |  |
| Unpoker | 02/23/2013 - 14:30 | squidlarkin | |
| Unpredictable storyline twists | 04/01/2014 - 11:13 | lilinx.com |  |
| Unpredictable storyline twists 2 | 05/07/2014 - 15:48 | lilinx.com |  |
| Unshrinker | 07/18/2010 - 09:15 | L |  |
| Untie Me | 11/28/2015 - 23:00 | ihavefivehat |  |
| Untilted Game | 01/31/2013 - 18:50 | Danni |  |
| Untilted Game - PuzzleScript Port | 09/06/2014 - 18:44 | Danni |  |
| Untilted Game - PuzzleScript Port (Colorless) | 09/12/2014 - 13:05 | Danni |  |
| Untitled (Whistler) | 09/08/2018 - 08:27 | gisbrecht |  |
| UNTITLED PUZZLE GAME | 07/31/2016 - 07:28 | nuuup |  |
| Untitled Puzzlescript Diary | 03/21/2016 - 20:32 | Son of a dolphin |  |
| Untitled Spook Radio Game | 09/30/2015 - 10:07 | 2sman |  |
| Unwoven Pixel | 05/20/2024 - 14:17 | Noser |  |
| UpRising 2.0 | 02/24/2012 - 17:44 | 128_Up |  |
| Ur Mom's Cheerios AKA Superugh | 11/29/2013 - 00:59 | x |  |
| Ur-lie | 03/21/2016 - 16:45 | fizzhog |  |
| URZNOG DEMANDS SACRIFICES | 02/28/2010 - 14:18 | qrleon |  |
