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Tech Trees / Tech Tracks
OpenGames using
6
Median complexity
2.26
0–5
Median rating
6.60
bayes
Tabletop fit
1.107
weight-controlled
Definition
From BoardGameGeek
During the course of the game, new Actions become available to specific players, or existing Actions are improved. These are often themed as Technologies, but do not need to be.
Top games using this mechanism
By BGG bayes rating, top 50.
| Game | Year | Rating | Wt | Time |
|---|---|---|---|---|
| Brass: Birmingham#1 | 2018 | 8.39 | 3.9 | 120m |
| Twilight Imperium: Fourth Edition#7 | 2017 | 8.22 | 4.4 | 480m |
| Gaia Project#13 | 2017 | 8.09 | 4.4 | 150m |
| Eclipse: Second Dawn for the Galaxy#22 | 2020 | 7.96 | 3.7 | 200m |
| Brass: Lancashire#23 | 2007 | 7.96 | 3.8 | 120m |
| 7 Wonders Duel#24 | 2015 | 7.95 | 2.2 | 30m |
| Scythe#26 | 2016 | 7.95 | 3.5 | 115m |
| Terra Mystica#35 | 2012 | 7.86 | 4.0 | 150m |
| Orléans#36 | 2014 | 7.86 | 3.0 | 90m |
| Too Many Bones#37 | 2017 | 7.85 | 3.9 | 120m |
| Food Chain Magnate#49 | 2015 | 7.78 | 4.2 | 240m |
| On Mars#58 | 2020 | 7.74 | 4.6 | 150m |
| Endeavor: Deep Sea#83 | 2024 | 7.65 | 2.9 | 120m |
| Kingdom Death: Monster#93 | 2015 | 7.62 | 4.3 | 180m |
| 7 Wonders#116 | 2010 | 7.55 | 2.3 | 30m |
| Hansa Teutonica#147 | 2009 | 7.47 | 3.1 | 90m |
| Twilight Imperium: Third Edition#150 | 2005 | 7.46 | 4.3 | 240m |
| Russian Railroads#151 | 2013 | 7.46 | 3.4 | 120m |
| Too Many Bones: Undertow#170 | 2018 | 7.40 | 4.0 | 180m |
| Kemet#199 | 2012 | 7.36 | 3.0 | 120m |
| Endeavor: Age of Sail#206 | 2018 | 7.36 | 2.9 | 90m |
| The Elder Scrolls: Betrayal of the Second Era#223 | 2025 | 7.33 | 4.1 | 240m |
| Coimbra#262 | 2018 | 7.25 | 3.2 | 90m |
| Goa#310 | 2004 | 7.19 | 3.4 | 90m |
| Indonesia#318 | 2005 | 7.18 | 4.0 | 240m |
| Innovation#379 | 2010 | 7.11 | 2.8 | 60m |
| Sidereal Confluence#391 | 2017 | 7.10 | 3.6 | 180m |
| Sid Meier's Civilization: The Board Game#425 | 2010 | 7.07 | 3.9 | 240m |
| Newton#466 | 2018 | 7.03 | 3.4 | 90m |
| Endeavor#513 | 2009 | 6.99 | 2.9 | 90m |
| Civilization#527 | 1980 | 6.97 | 3.6 | 360m |
| Black Orchestra#533 | 2016 | 6.97 | 2.4 | 90m |
| Kingsburg#544 | 2007 | 6.96 | 2.4 | 90m |
| Clash of Cultures#558 | 2012 | 6.95 | 3.6 | 240m |
| Space Empires 4X#633 | 2011 | 6.89 | 3.4 | 240m |
| Crusaders: Thy Will Be Done#657 | 2018 | 6.87 | 2.5 | 60m |
| AquaSphere#727 | 2014 | 6.82 | 3.7 | 100m |
| Arkwright#854 | 2014 | 6.73 | 4.6 | 240m |
| My Little Scythe#905 | 2018 | 6.70 | 2.0 | 60m |
| Kingsburg (Second Edition)#1109 | 2017 | 6.59 | 2.4 | 120m |
| Age of Industry#1213 | 2010 | 6.54 | 3.4 | 120m |
| Orloj: The Prague Astronomical Clock#1722 | 2025 | 6.34 | 3.5 | 120m |
| Age of Civilization#1736 | 2019 | 6.34 | 2.3 | 60m |
| Antike II#1756 | 2014 | 6.33 | 2.9 | 120m |
| Mega Civilization#1776 | 2015 | 6.33 | 3.7 | 720m |
| Path of Light and Shadow#1803 | 2017 | 6.32 | 3.1 | 120m |
| Ascending Empires#1976 | 2011 | 6.27 | 2.3 | 75m |
| The Scepter of Zavandor#2032 | 2004 | 6.25 | 3.5 | 90m |
| Artifacts, Inc.#2130 | 2014 | 6.23 | 2.1 | 60m |
| Antike Duellum#2275 | 2012 | 6.19 | 2.9 | 75m |
Frequently combined with
Other mechanisms that show up in the same games. Click to drill in.
Related deep dives
Long-form design analysis on games using this mechanism.