Free Multiplayer Browser Game of World Domation

Join an existing game, or create game
Game Name Prize Cost Status
'Michaels game' (1/8) 1 FREE JOIN
'Ethan's game' (7/8) 1 FREE JOIN
'fun' (2/8) 1 FREE JOIN
'Challenge' (7/8) 1 FREE JOIN
'battle to the death' (6/8) 1 FREE JOIN
'La guerre des royaumes' (5/8) 1 FREE JOIN
'narnia' (8/8) 1 FREE FULL
'Battle Alpha' (4/8) 1 FREE JOIN
'EPS' (3/8) 1 FREE JOIN
'Battle of Carneo' (0/8) 1 FREE JOIN
'Battle For Swag Haha You Cant ' (1/8) 1 FREE JOIN
'Battle for earth 2' (1/8) 1 FREE JOIN
'The battle for Earth' (1/8) 1 FREE JOIN
'Tejas' Game' (2/8) 1 FREE JOIN
'World Conqueror' (0/8) 1 FREE JOIN
'The Dude' (0/8) 1 2 mPoints JOIN
'tits or GTFO' (3/8) 1 FREE JOIN
'battle til the end' (4/8) 1 FREE JOIN
'BAZINGA will die' (0/8) 1 FREE JOIN
'YE' (1/8) 1 FREE JOIN
'THISGAMEWENTDOWNHILL' (2/8) 1 FREE JOIN
'The Dingos' (2/8) 1 FREE JOIN
'Z' (2/8) 1 FREE JOIN
'Message me for pass' (2/8) 1 FREE JOIN
'Battle of Carneo' (0/8) 1 FREE JOIN
'FOR SKYRIM AND TF2' (1/8) 1 FREE JOIN
'You guys are faggots' (0/8) 1 FREE JOIN
'Battle of Peters mom' (2/8) 1 FREE JOIN
'"Overlake Only Tourna' (1/8) 1 FREE JOIN
'TheDingo Den' (0/8) 1 FREE JOIN
'gabes game' (4/8) 1 FREE JOIN
'3334' (1/8) 1 FREE JOIN
'Obviously the goat' (2/8) 1 FREE JOIN
'BAttlke for Fort Iggyston' (0/8) 1 FREE JOIN
'Cthulhu'd II' (0/8) 1 FREE JOIN
'BATTLE OF DET MIN FAXE' (4/8) 1 FREE JOIN
'Pvt' (5/8) 1 FREE JOIN
'faszomfutty' (2/8) 1 FREE JOIN
'wallace' (1/8) 1 FREE JOIN
'LvB' (0/8) 1 FREE JOIN
'MEANFACE' (0/8) 1 FREE JOIN
'I LIKE CHICKEN' (3/8) 1 FREE JOIN
'Smoke weed everyday.' (0/8) 1 FREE JOIN
'Battle of Johnstone' (1/8) 1 FREE JOIN
'Battle of the Blue Moon' (1/8) 1 FREE JOIN
'IGS' (1/8) 1 FREE JOIN
'12345' (0/8) 1 FREE JOIN
'Battle of the Elephant Seals' (2/8) 1 FREE JOIN
'BATTLE OF LUDERHOVEDERNE!' (0/8) 1 FREE JOIN
'SOUPER SEKRIT PLANZ' (3/8) 1 FREE JOIN
'BEAST' (2/8) 1 FREE JOIN
'Clash of Eagles 2' (0/8) 1 FREE JOIN
'World War III' (0/8) 1 FREE JOIN

This Week's Winners

RideTheLightning 1
fafalnq 1

Top Players

DLEE3 28 Win(s)
General 16 Win(s)
GuessWho 20 Win(s)
BAZINGA 27 Win(s)
themanwhowas 15 Win(s)
RxTonic 6 Win(s)
buddy 22 Win(s)
MrQwerty 23 Win(s)
Rorschach 25 Win(s)
Hernando_Cortes_Cody 22 Win(s)

The top winner of the week will be given 20 mPoints

Create Your Account

No download or email verification required.

What is Mastermind.LI?

Mastermind.LI is a free multiplayer world domination game where you battle against players from across the globe! You'll be managing your government, upgrading your military, researching new technologies and much more during your global conquest.

Play directly in your browser (Chrome, Firefox, and Opera), no download is required. You should seriously sign up.

Chat

TitleReplyViews
Changes and updates Eljacko558
11:30 Dec 19
6997
Bringing the game back. BAZINGA
02:28 Sep 2
438
#SWAG BAZINGA
01:37 Sep 2
64
Bad Beats and Lucky Wins RideTheLightning
05:11 Sep 1
8023
Tips for Mastermind RideTheLightning
04:18 Sep 1
3426
Air Force RideTheLightning
04:16 Sep 1
3808
Admin, are you still alive? RideTheLightning
04:11 Sep 1
1621
weekly games RideTheLightning
04:10 Sep 1
236
Amazing! Maybe Not BAZINGA
13:57 Aug 31
1540
more unlocked games please? RideTheLightning
08:34 Aug 30
559
weekly leaderboard broken? BAZINGA
01:39 Apr 13
573
Revival of Mastermind BAZINGA
03:59 Apr 12
853
next weekly date and more news buddy
02:09 Mar 3
749
weeklys are back buddy
19:50 Feb 26
820
the fried bacon tournament announcment kixeye
13:56 Jan 19
1205
update on new games (IMPORTANT) moneyz
18:49 Jan 18
1085
A New start? moneyz
00:54 Jan 17
659
A New start? moneyz
00:53 Jan 17
781
new games are here moneyz
20:13 Jan 14
1185
new games moneyz
01:15 Jan 12
578
join my game facekeyboard123
06:20 Dec 23
2108
Someone give me their password so I can play with them! facekeyboard123
03:18 Dec 22
1869
To many locked games! facekeyboard123
03:17 Dec 22
1631
THIS GAME IS GOING DOWN THE DRAIN! facekeyboard123
03:16 Dec 22
3041
game minimizer7
11:52 Dec 6
1107
HELLO, LETS FIX THIS SITE! jar13
17:02 Oct 5
837
Hey people. jar13
16:57 Oct 5
3564
Newbie help? Djsoulhart
00:13 Aug 7
1518
Bacon Tournament - WINNER Taco_Heaven
02:13 Jul 15
5003
Send me a message if you wanna play a game! KlassiKJ
05:08 Jul 7
1515
Not enough new games for new players Kurau
22:18 May 23
3437
Creating New Games Bridaggs
08:47 Apr 19
7233
announcements for new games? Kurau
17:55 Apr 12
7291
Please Make An App! MrQwerty
12:38 Mar 30
4077
After Action Reports! MrQwerty
12:33 Mar 30
1588
New Picture! vgopalan
00:27 Mar 27
15971
My first post batman
12:16 Mar 18
14762
battleships protheus99
13:18 Mar 14
6531
>inb4 mastermind is dead batman
13:58 Mar 11
5913
FB page Sloth
19:34 Mar 8
1953
i agree 20ben01
15:33 Feb 17
1754
Hey guys! Introductions thread? bamf196
17:07 Feb 7
1540
BUGS? Couple possible issues. protheus99
22:17 Feb 1
4877
Some changes to Mastermind freakyfresh
17:22 Jan 29
5012
Map not loading protheus99
16:35 Jan 29
2287
Mastermind Todo List Akg37
19:32 Dec 16
3871
Kitten Tournament facekeyboard123
03:02 Nov 24
2566
mPoints rules? Rules wiki? theHM
06:40 Nov 15
3116
Expanded Satellites Djsoulhart
20:29 Jun 19
8879
Empire Management admin
10:45 Aug 31
112354
delete. admin
12:30 Sep 3
9321
what is wrong with all these newplayers? pokeguy123
16:42 Aug 30
7118
New Features This Weekend (Details) Djsoulhart
12:24 Jun 20
78802
Locked Games passwords facekeyboard123
18:23 Oct 20
1734
Idea for the game. facekeyboard123
05:50 Sep 3
9496
Air Drops admin
10:16 Jul 16
3220
XP Gain 2.0 Suggestion admin
11:55 Sep 2
1749
Panda Final admin
01:49 Jun 18
11806
Lets make a chatbox at homepage admin
17:50 Sep 2
3040
New Forum admin
14:40 Jun 7
77372
New: Air Drops added admin
22:08 Jun 9
74794
35,000,000XP Won! admin
17:22 Aug 6
1895
Change password? ggz333
23:35 Oct 28
7112
[DONE] Avatar uploading temporary disabled facekeyboard123
20:40 Oct 27
6636
Game Critiques admin
17:43 Oct 27
3500
Mastermind v2 has launched! Jarrett1695
23:10 Oct 24
3632
Penguin Tournament admin
10:18 Oct 22
8232
Bug: ordering 1 unit per country costs money but doesn't build unit admin
21:33 Oct 20
6992
Suggestion admin
16:06 Oct 18
3084
My thoughts on v2 admin
00:25 Oct 5
6188
V2 admin
15:46 Oct 1
8070
SCREENSHOTS Sept 27! - Mastermind V2 admin
17:24 Sep 30
15455
Lucky airdrop =] RideTheLightning
06:00 Sep 29
4563
Just an update for your guys on v2 RideTheLightning
05:51 Sep 29
5384
Lol BMN555
14:09 Sep 10
2135
Showing ???? facekeyboard123
04:14 Sep 4
3069
Empire Juice replacement facekeyboard123
05:46 Sep 3
5673
Join this game! 1337_
13:22 Sep 2
5075
Ok guys Read admin
11:49 Sep 2
8277
How to make the future map better in the coming update pokeguy123
11:09 Aug 29
3039
Weird Glitch! BMN555
14:04 Aug 27
3227
Unit transfer Sandslash
14:50 Aug 25
14794
Alliances and other Suggestions Tyndael
21:01 Aug 23
2528
Ending a game at 70% conquest when there are no other competitors. Sandslash
15:57 Aug 22
3397
How do you use instant credits admin
10:41 Aug 13
5535
Forgotten Games Airburst
00:23 Aug 9
5683
Lion Tournament - Champion: JackSnipe RideTheLightning
03:50 Aug 1
12637
Buying Instant Credits RideTheLightning
03:35 Aug 1
14366
Remove player with 0 countries!!! admin
13:02 Jul 30
1555
How to use napalm RideTheLightning
03:35 Jul 27
12866
Trading/Buying RideTheLightning
16:17 Jul 24
1383
Idea: Selling Troops & Tanks admin
21:03 Jul 21
2291
Suggestions admin
14:18 Jul 17
7308
Both my friends have to keep relogging in. admin
10:35 Jul 17
9415
Pictures RideTheLightning
05:16 Jul 10
5208
How do I use instant credits? There is nothing in the FAQ admin
18:11 Jul 3
7030
Something about Nukes admin
10:19 Jun 25
2369
Factories RideTheLightning
04:04 Jun 25
8360
Panda Tournament Has Begun! Xyiko
22:14 Jun 17
5465
Nope General
05:42 Jun 17
3132
15 MILLION XP given out! admin
12:33 Jun 14
10844
Ideas, comments, and Suggestions admin
10:25 Jun 14
1983
Forum suggestion admin
11:04 Jun 12
8305
25,000 Bonus XP Now Given to Game Winners! admin
10:39 Jun 12
3034