Play Strange Mario Bros 1 online with Nintendo NES browser emulation for free! Strange Mario Bros 1 is a rom hack of Super Mario Bros (NES). Play it with our flash, java and rgr plugin emulators. Nothing to configure, we've done it for you!

MeatAndPotatoes 12-22-14 - 11:30 AM
 Fish fly, on a fish fry! haha
SanicHegehog 07-13-13 - 05:58 PM
 I got to world -1 but I couldn't get past it because there was too many fishes flying up.
thehedgehogsonic 04-14-13 - 12:41 PM
 I did not know that.
16crushers 04-01-13 - 07:50 PM
 in level 1 you can jump over the flagpole and the level Continues!
teddy5 08-08-12 - 01:15 PM
 good game,but real strange
supersonicracin.. 06-18-12 - 12:32 PM
 Yup,Strange indeed :3
michaelproctor 06-16-12 - 07:59 PM
 im on level 1-5
mariomushroomX 06-02-12 - 09:15 AM
 dear 123cheese,i'm starting to play sonic games and anybody has a questain ask me. from mariomushroomX
zeldafan4eva123 05-23-12 - 12:18 PM
 xz
zeldafan4eva123 05-23-12 - 12:18 PM
 xzzxzx
zeldafan4eva123 05-23-12 - 12:18 PM
 zx
cannon909 05-16-12 - 09:00 PM
 how u go to minus word? (plz respond)
legominifigures 04-22-12 - 12:52 PM
 this game is so weird
bbderty 04-20-12 - 01:50 AM
 hi
CarBitGTSaxen 04-17-12 - 07:58 PM
 The music in this game is awesome!!!
toxikskull258 03-25-12 - 04:57 AM
 dont trust peach
123Cheese 03-12-12 - 10:17 AM
 Dear mariomushroomX, You dont have to hate sonic to be a mario fan.
doctortronik 02-03-12 - 09:32 PM
 this game is insane.
CrimsonEchoes 01-16-12 - 09:02 PM
 what the HECK a star dissapeird!
shadowthehedgeh.. 01-15-12 - 12:44 PM
 how do u get 2 world -1
mariomushroomX 01-07-12 - 12:28 PM
 i wn=ent to world minus 1
mariomushroomX 12-03-11 - 09:35 AM
 I AM MARIOMUSHROOMX SONIC SUCKS
mariomushroomX 12-03-11 - 09:33 AM
 mario rules sonic drols
Benpsycho 10-21-11 - 05:30 PM
 endless warp pipe!
tangyphoenix 09-24-11 - 09:43 PM
 strange!
armg 09-04-11 - 12:06 PM
 now i've seen it all
Redxsparrow 07-13-11 - 05:13 PM
 this game is so strange, I got up to world -4 and froze
htv04 06-21-11 - 07:50 PM
 Sorry That I put the s there.
htv04 06-21-11 - 07:49 PM
 I love this game sand you know what i also got small fire mario. I am very happy!
htv04 06-21-11 - 07:47 PM
 On World 1-4 when you get the axe mario falls in a hole and goes to the next world! that was funny!
cadekiki 06-11-11 - 11:08 PM
 i just seen a flying fish O_o
123skeedoo 06-09-11 - 08:44 AM
 Mario must be on a bad mushroom trip...... :)
pingas190 05-17-11 - 05:48 PM
 LOSTA 1-UPS lol
Pokehack189 05-04-11 - 07:32 PM
 *on
Pokehack189 05-04-11 - 07:32 PM
 Anyone ln
gunnerbear 04-14-11 - 06:19 PM
 better than the origanl super mario bros.
9racerboy9 03-26-11 - 10:30 AM
 When i got to the pipe with the koopa on it in w1-2 i saw a block i jumped and i heat the block a star came out and jumped and got stuck.
babbit9 03-17-11 - 05:00 PM
 WHAT THE HECK?! I GOT INTO THE NEGATIVE ZONE!!!!!!!!!
griffinlane 01-21-11 - 05:47 PM
 Someone beat my highscore
cdyarmor 01-10-11 - 04:23 PM
 this game is weird
icantwin 12-25-10 - 04:01 AM
 It is 2 darned hard
icantwin 12-25-10 - 04:00 AM
 WORLD 1-1 RANDOMLY CHANGES WONDER Y...
superluig164 12-16-10 - 05:08 PM
 not working!!!
JustPlayDamGame 12-13-10 - 04:37 AM
 its trash
Brotha Sumo 08-30-10 - 02:43 AM
 stupid
RetroBit 08-03-10 - 06:57 PM
 Good
pipoboy2000 05-20-10 - 10:47 AM
 This stupid game won't work.
Storm Hawk 03-01-10 - 05:34 PM
 WTF Happened to the sprites on W 1-2?
Storm Hawk 03-01-10 - 05:30 PM
 Uber Awsome
bubba seaton 02-11-10 - 01:30 PM
 ITS ALSO HARD!
bubba seaton 02-11-10 - 01:29 PM
 i went to world -1!!! ITS FREAKY!
Cknight70 11-09-09 - 06:46 PM
 this games better than super mario bros itself
Cknight70 11-09-09 - 06:34 PM
 lol complete the first castle its epic
inkstaind 07-26-09 - 09:40 PM
 gute

All of the levels in the game have been modified and most of the graphics have been overhauled and replaced.

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