What are the best open-source games?

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schlaumeier
Kuba Janek
RickZeeland
gilch
Sebastian Andrew
Jonathan
WhiteLilac
Monika
Rodney
deBaus
PowerfulEirene
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Related Questions
Activity
119 Options
Battle for Wesnoth
335 Recommendations
Xonotic
162 Recommendations
SuperTuxKart
137 Recommendations
FlightGear
75 Recommendations
OpenTTD
190 Recommendations
0 A.D.
204 Recommendations
Cataclysm: Dark Days Ahead
121 Recommendations
Unciv
117 Recommendations
Dungeon Crawl Stone Soup
64 Recommendations
Mindustry
56 Recommendations
Hedgewars
41 Recommendations
Warzone 2100
81 Recommendations
Minetest
131 Recommendations
The Ur-Quan Masters
71 Recommendations
Shattered Pixel Dungeon
27 Recommendations
Oolite
32 Recommendations
Teeworlds
43 Recommendations
Endless Sky
56 Recommendations
OpenRA
73 Recommendations
The Dark Mod
19 Recommendations
Beyond All Reason
18 Recommendations
OpenMW
46 Recommendations
Zero-K
46 Recommendations
AssaultCube
19 Recommendations
Tales of Maj'Eyal
27 Recommendations
osu!
28 Recommendations
Openspades
18 Recommendations
Freeciv
43 Recommendations
Nethack
35 Recommendations
SuperTux
31 Recommendations
OpenClonk
23 Recommendations
OpenTyrian
22 Recommendations
Simutrans
30 Recommendations
Open Imperium Galactica
25 Recommendations
Open Arena
12 Recommendations
Red Eclipse
12 Recommendations
UFO: Alien Invasion
35 Recommendations
Freedoom
14 Recommendations
FreedroidRPG
17 Recommendations
OpenRCT2
33 Recommendations
Stunt Rally
15 Recommendations
Cube 2: Sauerbraten
14 Recommendations
Spring: 1944
12 Recommendations
MegaGlest
14 Recommendations
BZFlag
10 Recommendations
Unvanquished
3 Recommendations
Quake III Arena
13 Recommendations
FreeGish
5 Recommendations
Veloren
20 Recommendations
Pioneer game
15 Recommendations
Angband
10 Recommendations
PlaneShift
16 Recommendations
Rigs of Rods
15 Recommendations
FreeOrion
16 Recommendations
Widelands
6 Recommendations
Enemy Territory: Legacy
15 Recommendations
Thrive
5 Recommendations
Pingus
5 Recommendations
One hour one life
7 Recommendations
Mozilla BrowserQuest
5 Recommendations
Dune 2000
3 Recommendations
Relic Hunters Zero
7 Recommendations
Tuxemon
10 Recommendations
TripleA
1 Recommendations
Alien Arena
6 Recommendations
Magarena
9 Recommendations
Star Ruler 2
6 Recommendations
Ryzom
5 Recommendations
Red Runner
4 Recommendations
Sprouted Pixel Dungeon
5 Recommendations
OpenSA
4 Recommendations
2048
12 Recommendations
Elona+
3 Recommendations
Remnants of the Precursors
2 Recommendations
Unknown Horizons
9 Recommendations
Tremulous
4 Recommendations
OpenHV
1 Recommendations
Speed Dreams
6 Recommendations
Terasology
9 Recommendations
Dead Ascend
3 Recommendations
Limit Theory Redux
1 Recommendations
Open Hexagon
1 Recommendations
Neverball
5 Recommendations
Mk48.io
1 Recommendations
Friking Shark
2 Recommendations
Curse of the arrow
1 Recommendations
M.A.R.S.
2 Recommendations
Terminal Overload
5 Recommendations
Stephino RPG
3 Recommendations
boswars
3 Recommendations
Garden of Coloured Lights
0 Recommendations
DDraceNetwork (DDNet)
1 Recommendations
Astromenace
3 Recommendations
cave9
2 Recommendations
Pappu Pakia
2 Recommendations
Cube 2 (Sauerbraten)
3 Recommendations
ZEQ2 Lite
0 Recommendations
Armagetron Advanced
3 Recommendations
Dwarf Fortress
29 Recommendations
Urban Terror
19 Recommendations
Slant
6 Recommendations
Need for Speed Most Wanted
19 Recommendations
Warsow
18 Recommendations
Dota 2
5 Recommendations
Air Navy Fighters
6 Recommendations
RizomUV
2 Recommendations
DayZ
8 Recommendations
Race for the Galaxy
2 Recommendations
Lips of Suna
14 Recommendations
Pioneer
8 Recommendations
Fur-Guardians
7 Recommendations
Unreal Tournament (2014)
22 Recommendations
World of Tanks
3 Recommendations
Getting Things Done: The Art of Stress-free Productivity
7 Recommendations
Dogecoin
8 Recommendations
Pro Evolution Soccer 2018
8 Recommendations
Et ll
9 Recommendations
LifeFLOW3D
3 Recommendations
Race Cars: Cool Math Games For Kids. Fun Coding
2 Recommendations
See Product Page for "Unknown Horizons"

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Unknown Horizons

2D realtime strategy simulation with economy and city building

SpecsUpdate

Pros

Monika
RickZeeland

Pro
Windows and Linux

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Comments
1
WhiteLilac
TolerantQucumatz

Pro
Implemented in Python

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Know any positive aspects of this option?

Cons

Monika
Rodney

Con
Implemented in Python

Needs good hardware to be playable.

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Comment
DedicatedBaalat

Con
Shallow

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Know any negative aspects of this option?

Recommendations

IngeniousBorvo
IngeniousBorvo
Contributor for 7 years
11
Total 
Recs.
340
Total 
Karma
Unknown Horizons
Recommended 7 years ago
easy to play, not only english
Pro
 Windows and Linux
See full
Rodney
Rodney
Contributor for 7 years
132
Total 
Recs.
11K
Total 
Karma
Unknown Horizons
7 years ago
Nice Anno-like game.
Con
 Implemented in Python
See full
Currently displaying 2 out of 15 total recommendations.

Comments

See Product Page for "Unknown Horizons"
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