Kosmic 2

15:16

Beyond the Donkey Kong Kill Screen

20:51

Speedrunner Plays Mari0 (Portal Mario)

17:50

Speedrunner plays Jelly Mario

17:38

I DESTROYED this Speedrun World Record...

37:03

Mario goes to an Alien Planet

14:17

This Mario Game Broke My Brain

14:41

Super Mario Bros.: The Lost Levels - Any% D-4 Speedrun in 13:43.7 (World Record)

21:33

Playing Mario on McDonald's Wi-Fi

19:08

Mario Romhacks Keep Getting Crazier

12:03

(8:09.3) Super Mario Bros.: The Lost Levels - Any% 8-4 Speedrun (World Record)

15:10

Super Mario Bros.: The Lost Levels - Any% D-4 Speedrun in 13:47.1 (World Record)

29:18

Pro Speedrunner plays Nintendo World Championships: NES Edition

16:51

SMB2-J Both Endings Speedrun in 15:34 (World Record)

38:16

SMB2-J Warpless 8-4 in 21:13 [WR] + All Stages in 35:52 [WR]

3:23:27

Reacting to the PERFECT Super Mario 3D World Speedrun

1:23

Super Mario 3D World 100% Speedrun Promo [Trailer]

25:25

Mario Maker Kaizo... but it's on NES

28:57

This is basically Mario Maker on the NES

23:38

(21:16.1) SMB2-J Warpless 8-4 Speedrun (World Record)

39:10

WORLD RECORD - SMB2-J All Stages in 35:57

9:03

This should've been a HUGE World Record...

16:52

Only Up but you play as Mario

14:24

How I Got the World Record in Super Mario Bros. TWO Player Speedrun

11:44

I Beat the World Record by 0.01

29:51

This Most Mindblowing Mario Game

14:24

Wait, the Virtual Boy is GOOD??

25:11

The Most INSANE NES Game of All Time

27:42

What if Super Mario Bros. was 2-Player?

20:01

Get Achievements for Speedrunning Mario!

21:58

The Best Animated NES Game

59:58

How I Beat 6 Mario Games in 53 Minutes

27:56

Super Mushroom: The Video Game

21:17

Speedrunner Ranks the HARDEST NES Games

3:40

Super Mario Bros. Wonder - REACTION

32:32

Super Mario Bros. but the Floor is Lava

16:11

I Found a Glitch and a Hidden Cutscene in this Romhack

24:49

This Mario Game was MADE for me

27:13

Super Mario, but you play as Samus

15:25

I Got a Speedrun World Record in 3 Tries

22:02

They Made Firebars ALIVE

25:48

How I Accidentally Got a Speedrun World Record

12:46

They turned Mario into a ""Puzzle"" Game

24:27

SMB2-J Warpless Speedrun in 21:22.8

28:27

I got stuck in a wall for 30 minutes

9:05

The FIRST time this has been done in a Speedrun

15:23

I've trained my whole life for this moment

19:53

You'll never guess why this fight took 20 minutes

14:26

The Speedrun where Mario is WAY TOO FAST

33:37

The First Mario Romhack I Couldn't Beat

27:32

This Mario Game Needs 500 IQ

26:56

Mario, but I added way too much chaos

29:47

What if Mario Galaxy was on NES?

27:49

This is *Still* the Craziest NES Romhack

12:50

SO CLOSE to World Record

28:09

How is this POSSIBLE??

0:08

I have solved 7-4

0:16

7-4 Beat the Bars

1:22:24

Speedrunning Mario Upside Down

2:39:02

Super Mario Bros. CROWD CONTROL

1:14:56

BIGGGG Mario

1:25:59

Cringing at my Mario Flash levels

1:57:43

Mario but his neck grows really long

44:24

Shades in Mario Land (SMB1 Romhack)

0:37

Faster 2-4 Bowser Kill (SMB2-J)

2:04:40

Super Adef Bros. - SMB1 Romhack

6:25:27

The NES Gauntlet (part 3)

8:52:16

The NES Gauntlet (Part 2)

7:16:44

The NES Gauntlet (Part 1)

1:13:18

Mario Bros. SkyCastle - SMB1 Romhack

2:54:21

Mario Game Shuffler Speedrun

30:01

Kirby's Adventure 2 - SMB1 Romhack

1:34:30

The Stronghold - SMB1 Romhack

1:05:07

Super Mario Bros. - Girl's Odyssey

1:26:47

Super Mario Bros. Co-op Coin Challenge

2:14

Billy Hatcher Forest 1 ECSS Water Route

0:16

How to save 7 frames in Billy Hatcher

0:24

Fix D-2 Spring Despawn

4:41:20

5 hours of Kaizo

1:25:31

Mario Odyssey in Mario Maker! [2/2]

1:34:07

Mario Odyssey in Mario Maker [1/2]

1:38:06

Strange Mario Bros full playthrough

1:16:22

XXXX (SMB1 Romhack) Full Playthrough

1:59:46

Mario 64 inside Mario Maker - Full Playthrough

13:33

SMB1 in-engine Movie *Flashing Lights Warning*

1:49:28

Super Mario Bros. Special Full Playthrough

1:00:01

Mario Seasons Full Playthrough

0:19

Lost Levels castle framerules are very cool

57:54

Full Tower RE Playthrough

1:15:54

Full Excite Mario Bros. Playthrough

1:15:55

Full Mario vs. Airman playthrough

0:44

Pirate 1 Recky Text Skip Comparison

1:08

Forest 1 Elder Cutscene Skip Comparison

1:56:42

SMB1 Invisible Floor

1:23:57

Reign of the Koopa

1:45

Billy Hatcher 3-1 Speedrun in 00:43.63

4:52

Billy Hatcher 3-2 Speedrun in 3:18.38

3:10:42

[uncut] Making Mario levels from Memory!

1:05:43

zelda curse from the outskirts

3:18:15

Speedrunning SMB1 inside SMW

2:09:59

Paper Sai Romhack (mostly) Full Playthrough