Company headed by 1 created X which became very famous and as a result was acquired by Y.
X came out as a result of tools that were developed for the game in 2.

Identify 1,X,Y and 2

1.

2.

Cracked by: varuns88 , BiGFooT , Tathagata Chatterjee , madhur , Ajay Parasuram , yaksha.

varuns88, BiGFooT, Tathagata Chatterjee, madhur, Ajay Parasuram and yaksha