20:54

Secret Codes Hidden INSIDE Super Mario Bros.

29:59

I Beat the Hardest Mario with a DDR Mat

29:37

This Mario 3 Romhack is Insane

15:55

SMB:TLL - Any% D-4 in 13:38 (World Record)

12:34

SMB2-J ACE World Record in 7:39.07

19:05

Play NES Games IN 3D!!

14:58

Super Mario Bros. "000000 Points" TAS Premiere & Commentary

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]

03:23:27

Reacting to the PERFECT Super Mario 3D World Speedrun

01:23

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

09:03

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

03:40

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

09:05

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