Free Multiplayer Browser Game of World Domation

This Week's Winners

There are no winners this week yet.

Top Players

DLEE3 28 Win(s)
General 16 Win(s)
GuessWho 20 Win(s)
themanwhowas 15 Win(s)
RxTonic 6 Win(s)
MrQwerty 23 Win(s)
Rorschach 25 Win(s)
Hernando_Cortes_Cody 22 Win(s)
theHM 13 Win(s)
buddy 18 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
5757
more unlocked games please? BAZINGA
02:23 Apr 13
61
weekly leaderboard broken? BAZINGA
01:39 Apr 13
55
Revival of Mastermind BAZINGA
03:59 Apr 12
96
next weekly date and more news buddy
02:09 Mar 3
120
weeklys are back buddy
19:50 Feb 26
161
the fried bacon tournament announcment kixeye
13:56 Jan 19
267
update on new games (IMPORTANT) moneyz
18:49 Jan 18
378
A New start? moneyz
00:54 Jan 17
274
A New start? moneyz
00:53 Jan 17
157
new games are here moneyz
20:13 Jan 14
403
new games moneyz
01:15 Jan 12
235
join my game facekeyboard123
06:20 Dec 23
1007
Someone give me their password so I can play with them! facekeyboard123
03:18 Dec 22
784
To many locked games! facekeyboard123
03:17 Dec 22
799
THIS GAME IS GOING DOWN THE DRAIN! facekeyboard123
03:16 Dec 22
1197
game minimizer7
11:52 Dec 6
482
HELLO, LETS FIX THIS SITE! jar13
17:02 Oct 5
382
Hey people. jar13
16:57 Oct 5
1750
Newbie help? Djsoulhart
00:13 Aug 7
796
Admin, are you still alive? Djsoulhart
00:08 Aug 7
626
Bacon Tournament - WINNER Taco_Heaven
02:13 Jul 15
2878
Send me a message if you wanna play a game! KlassiKJ
05:08 Jul 7
743
Not enough new games for new players Kurau
22:18 May 23
2174
Creating New Games Bridaggs
08:47 Apr 19
4143
announcements for new games? Kurau
17:55 Apr 12
4234
Please Make An App! MrQwerty
12:38 Mar 30
2712
After Action Reports! MrQwerty
12:33 Mar 30
984
New Picture! vgopalan
00:27 Mar 27
8926
My first post batman
12:16 Mar 18
8149
battleships protheus99
13:18 Mar 14
3056
>inb4 mastermind is dead batman
13:58 Mar 11
2674
FB page Sloth
19:34 Mar 8
1196
i agree 20ben01
15:33 Feb 17
725
Hey guys! Introductions thread? bamf196
17:07 Feb 7
855
BUGS? Couple possible issues. protheus99
22:17 Feb 1
3052
Some changes to Mastermind freakyfresh
17:22 Jan 29
3022
Map not loading protheus99
16:35 Jan 29
1180
Mastermind Todo List Akg37
19:32 Dec 16
3055
Kitten Tournament facekeyboard123
03:02 Nov 24
1683
mPoints rules? Rules wiki? theHM
06:40 Nov 15
1716
Expanded Satellites Djsoulhart
20:29 Jun 19
5257
Empire Management admin
10:45 Aug 31
71158
delete. admin
12:30 Sep 3
5820
what is wrong with all these newplayers? pokeguy123
16:42 Aug 30
4606
New Features This Weekend (Details) Djsoulhart
12:24 Jun 20
47274
Locked Games passwords facekeyboard123
18:23 Oct 20
1356
Idea for the game. facekeyboard123
05:50 Sep 3
6475
Air Drops admin
10:16 Jul 16
1953
XP Gain 2.0 Suggestion admin
11:55 Sep 2
1173
Panda Final admin
01:49 Jun 18
7419
Lets make a chatbox at homepage admin
17:50 Sep 2
1943
New Forum admin
14:40 Jun 7
45599
New: Air Drops added admin
22:08 Jun 9
43686
35,000,000XP Won! admin
17:22 Aug 6
1315
Change password? ggz333
23:35 Oct 28
4166
[DONE] Avatar uploading temporary disabled facekeyboard123
20:40 Oct 27
4300
Game Critiques admin
17:43 Oct 27
2134
Mastermind v2 has launched! Jarrett1695
23:10 Oct 24
2207
Penguin Tournament admin
10:18 Oct 22
4954
Bug: ordering 1 unit per country costs money but doesn't build unit admin
21:33 Oct 20
3474
Suggestion admin
16:06 Oct 18
1616
My thoughts on v2 admin
00:25 Oct 5
3618
V2 admin
15:46 Oct 1
4343
SCREENSHOTS Sept 27! - Mastermind V2 admin
17:24 Sep 30
6668
Lucky airdrop =] RideTheLightning
06:00 Sep 29
2363
Tips for Mastermind RideTheLightning
05:52 Sep 29
1882
Just an update for your guys on v2 RideTheLightning
05:51 Sep 29
2954
Lol BMN555
14:09 Sep 10
1245
Showing ???? facekeyboard123
04:14 Sep 4
2133
Air Force facekeyboard123
05:48 Sep 3
2280
Empire Juice replacement facekeyboard123
05:46 Sep 3
3158
Join this game! 1337_
13:22 Sep 2
3143
Ok guys Read admin
11:49 Sep 2
4868
Bad Beats and Lucky Wins Belka
18:18 Aug 29
4028
How to make the future map better in the coming update pokeguy123
11:09 Aug 29
1695
Weird Glitch! BMN555
14:04 Aug 27
2046
Unit transfer Sandslash
14:50 Aug 25
8652
Alliances and other Suggestions Tyndael
21:01 Aug 23
1968
Ending a game at 70% conquest when there are no other competitors. Sandslash
15:57 Aug 22
1772
How do you use instant credits admin
10:41 Aug 13
3018
Forgotten Games Airburst
00:23 Aug 9
3170
Lion Tournament - Champion: JackSnipe RideTheLightning
03:50 Aug 1
7166
Buying Instant Credits RideTheLightning
03:35 Aug 1
7176
Remove player with 0 countries!!! admin
13:02 Jul 30
1027
How to use napalm RideTheLightning
03:35 Jul 27
7372
Trading/Buying RideTheLightning
16:17 Jul 24
840
Idea: Selling Troops & Tanks admin
21:03 Jul 21
1475
Suggestions admin
14:18 Jul 17
4191
Both my friends have to keep relogging in. admin
10:35 Jul 17
5145
Amazing! Maybe Not admin
23:03 Jul 14
1016
Pictures RideTheLightning
05:16 Jul 10
3304
How do I use instant credits? There is nothing in the FAQ admin
18:11 Jul 3
3739
Something about Nukes admin
10:19 Jun 25
1168
Factories RideTheLightning
04:04 Jun 25
4933
Panda Tournament Has Begun! Xyiko
22:14 Jun 17
3354
Nope General
05:42 Jun 17
2096
15 MILLION XP given out! admin
12:33 Jun 14
6141
Ideas, comments, and Suggestions admin
10:25 Jun 14
1114
Forum suggestion admin
11:04 Jun 12
4956
25,000 Bonus XP Now Given to Game Winners! admin
10:39 Jun 12
1504