Grey Goo

Released: 1/23/2015

Grey Goo is a real-time strategy (RTS) game that combines classic strategy mechanics and a balanced combat system with an emphasis on large-scale decision-making.

Critics

Steam

Metacritic

Score Breakdown

80.3

Critic Average

26 reviews

Steam User Score

4,317 reviews

Metacritic User Score

217 reviews

Disparity Breakdown

Steam Disparity

+12.4

Metacritic Disparity

+5.3

Combined Disparity

+8.9

Average of both sources

Review Timing

1 early (4%)21 launch window (81%)4 late (15%)

Review summary

Updated May 8, 2026

Based on 26 scored critic reviews, critics give this game an average score of 80.3/100. Critics score this game 12.4 points higher than Steam users and 5.3 points higher than Metacritic users.

Sources behind this summary(5 recent of 26)

Joseph SiemsenviaMarooners' Rock
Oct 23, 2015Late review
80/100View review
Steam 67.9/100 · +12.1 ptsMetacritic 75/100 · +5.0 pts
Matt CullenviaCOGconnected
Jul 16, 2015Late review
80/100View review
Steam 67.9/100 · +12.1 ptsMetacritic 75/100 · +5.0 pts
Sophie HallidayviaZTGD
Jul 16, 2015Late review
75/100View review
Steam 67.9/100 · +7.1 ptsMetacritic 75/100 · 0.0 pts
Patrick HancockviaDestructoid
Mar 29, 2015Late review
70/100View review
Steam 67.9/100 · +2.1 ptsMetacritic 75/100 · -5.0 pts
Brian DumlaoviaWorth Playing
Mar 19, 2015Launch window
80/100View review
Steam 67.9/100 · +12.1 ptsMetacritic 75/100 · +5.0 pts