when was tetris first available

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
when was tetris first available	0.52	1	9014	91	31
when	0.5	0.6	1015	82	4
was	1.9	0.6	1297	15	3
tetris	0.35	0.5	6311	12	6
first	0.68	0.4	7025	3	5
available	1.86	0.6	1094	72	9

Keyword	CPC	PCC	Volume	Score
when was tetris first available	0.35	0.7	5896	48
tetris was first available	1.17	0.5	5930	39
when was tetris was first available	0.93	0.5	4270	67
when was the game tetris first released	1.35	0.6	5829	50
when was tetris released	0.58	0.9	3189	38
when was tetris invented	1.02	0.8	9559	96
what was tetris first on	0.78	0.8	8796	97
when was tetris first released	1.46	0.2	3205	24
what console was tetris first on	1.04	0.8	4513	29
when was tetris created	0.04	0.4	6153	72
when was tetris made	0.76	0.3	5228	84
when tetris was invented	0.24	0.6	4077	41
when did tetris start	0.38	0.2	7387	27
what year was tetris made	0.9	0.3	8623	31
when did tetris come out originally	0.47	0.3	2287	98
original version of tetris	0.3	0.9	9931	42
what year tetris came out	0.74	0.6	6911	27
tetris the game that started it all	0.91	0.8	4458	23