04:34

Dr. Zomboss's Revenge, if He Actually Tried

26:18

Resuming a Playthrough of Some Text-Based Games Online So You Don't Have To

06:56

tetris

24:50

Will You Snail

00:34

I lost a bet. Now I have to eat a hat.

34:32

UpperDiamond Plays MORE PORTAL!!! THAT'S WHAT IT'S ALL ABOUT! OH YEAH!!!

47:11

UpperDiamond Plays PORTAL!!! YEAH, BABY! WOOOO!!!

05:26

(REUPLOAD) "Every UpperDiamond Level Ever" Episode 4: Pacifist Levels

03:48

(REUPLOAD) "Every UpperDiamond Level Ever" Episode 3: Bad Level Design

19:34

UpperDiamond Builds 4 Not Lego Sets

00:53

Reacting to KSI's "Low". The Video Ends when I Have a Self-Reflection on My Mental Well-Being.

11:00

TURBO DISMOUNT 2 DEMO! IT'S THE BEST DAY OF MY LIFE!

00:28

Reacting to KSI's "Thick of It". The Video Ends when I Cringe.

02:38

Epic Drum Quintet [OCTOBER 2024 ONLINE SEQUENCER CONTEST ENTRY] - TheUpperDiamond

07:43

TheUpperDiamond Plays Muse Dash

14:10

Playing Roblox Mascot Horror So You Don't Have To

41:40

Playing More OneShot So You Don't Have To

30:24

(Strong Profanity Warning) @Human8503 Suffers from Bad RNG in Persona 5 Royal Tycoon

02:28

Sleep-Deprived Fool Stares at Two Fidget Spinners He Bought for $0.90 While Listening to Mr. Sandman

15:24

Playing Peggle Because It's PEAK VIDEO GAME

03:27

TheUpperDiamond Teaches You How to Play Minesweeper

02:03

UpperDiamond Watched Deadpool & Wolverine

19:36

TheUpperDiamond Plays Happy Wheels to Feel an Emotion

02:31

Long Live the Queen of the Ants! - TheUpperDiamond

08:29

TheUpperDiamond Plays Insaniquarium (Instead of OMORI cuz Screw You LMAO)

00:27

im still sick...

01:53

im sick...

09:48

"Monitort": Bucko Comes Home (800 Subscriber Special)

02:44

Getting A Ranks R So EZ

07:52

Playing the Big Boy Boxing Steam Demo Because of the YT Algorithm

07:16

Minecraft Noob Plays the New Update

16:36

TheUpperDiamond Reacts to the 6.18.2024 Nintendo Direct

03:18

METROID PRIME WHAT?!

44:24

Playing OneShot So You Don't Have To

02:47

Name Plays Deltarune for the First Time

27:18

Playing Rayman Legends Because It's PEAK VIDEO GAME

08:00

Playing Buckshot Roulette So You Don't Have To

22:48

Playing Even More Text-Based Games Online So You Don't Have To

01:36

WHERE IS SILKSONG???!!!

02:26

im leaving.

08:27

Bowling Gives Diamond the Big Sad

01:38

ART THOU A FOOL?! - Quizette

05:34

@RealUnify Updated the GUI Version of My Game

06:13

@RealUnify Made a GUI Version of My Game

07:07

TheUpperDiamond Reacts to the 2.21.2024 Nintendo Direct Partner Showcase

09:46

BIG SHOT, but the Music is Your Contract Has Expired

03:21

(SPOILERS) Lisa Frankenstein is the funniest stupid movie I've ever seen

13:37

Three Idiots (and a Guy from Australia) Play skribbl.io

14:42

Playing Minecraft (with Low Graphics) So You Don't Have To

02:11

There's Something Wrong with my Copy of Scratchin' Melodii

50:59

Funniest Moments in TheUpperDiamond in 2023

06:00

We Played on a Comic Stage So You Don't Have To

09:26

merry christmas

15:08

Playing Scratchin' Melodii SAGE 2023 Demo So You Don't Have To

19:18

Playing Endacopia So You Don't Have To

20:00

Playing Mario Party 3 So You Don't Have To (feat. Unify)

02:37

"Every UpperDiamond Level Ever" Episode 5: Labyrinths (100th Video/2 Year Anniversary Special)

03:51

The UpperDiamond Apology Encore (600 Sub Video)

25:38

Beating Some Challenges in Big Boy Boxing So You Don't Have To (PART 2)

03:20

The Dark Trio - TheUpperDiamond