Most critically acclaimed videogame developer

The most critically acclaimed videogame developer is Valve Software (USA). For the period 2003–2013, Valve had seven games with a gamerankings rating of 90% or more; with an average rating of 94.50%.

The seven games are:
The Orange Box: X360, 2007, 96.36%
The Orange Box: PC, 2007, 95.88%
Half-Life 2: PC, 2004, 95.48%
Portal 2: PC, 2011, 95.16%
Portal 2: X360, 2011, 94.00%
Portal 2: PS3, 2011, 93.95%
Half-Life 2: Episode 2: PC, 2007, 90.68% Most critically acclaimed videogame developers:

1. Valve: 94.50%

2. Naughty Dog: 94.40%

3. Nintendo: 93.88%

4. Rockstar: 93.74

5. Rocksteady: 93.60%

6. Irrational Games: 93.55%

7. Bungie: 93.30%

8. Infinity Ward: 93.12%

9. BioWare: 92.95%

10. Epic Games: 92.84%

11. Bethesda: 92.78%

12. Capcom: 92.69%

13. Atlus: 92.40%

14. Criterion Games: 92.26%

15. Kojima Productions: 92.21%

16. Turn 10 Studios: 91.99%

17. Harmonix: 91.85%

18. Blizzard: 91.82%

19. SCE: 91.82%

20. Project Soul: 91.75%

21. Retro Studios: 91.54%

22. KCET: 91.45%

23. Ubisoft: 91.33%

24. EA: 91.18%

25. Intelligent Systems: 91.16%

26. Clover Studio: 90.99%