▁of ▁ 9 9 ¢ . ▁Since ▁S entin el ▁ 2 ▁is ▁an ▁evolution ▁of ▁the ▁original , ▁if ▁you ▁enjoy ▁the ▁first , ▁you ▁will ▁enjoy ▁the ▁sequ el . ▁Both ▁are ▁among ▁my ▁favorite ▁games , ▁and ▁while ▁there ▁is ▁no ▁short age ▁of ▁tower ▁defense ▁games ▁for ▁the ▁iPhone , ▁in ▁my ▁opinion , ▁both ▁S entin el ▁games ▁are ▁among ▁the ▁best ▁the ▁App ▁Store ▁has ▁to ▁offer ." ▁App S py ▁said ▁" The ▁game ▁isn ’ t ▁bad ; ▁it ’ s ▁just ▁not ▁one ▁of ▁the ▁better ▁tower ▁defence ▁games ▁and ▁may ▁not ▁be ▁worth ▁the ▁current ▁price ." ▁ 1 4 8 App s ▁wrote ▁" A ▁combination ▁of ▁fant astic ▁graphics ▁and ▁multi - layer ed ▁complex ▁game play ▁make ▁S entin el ▁ 2 ▁the ▁best ▁tower ▁defense ▁game ▁on ▁the ▁App ▁Store . ▁Be ▁war ned ▁- ▁it ▁may ▁be ▁t ough ▁to ▁go ▁back ▁to ▁seem ingly ▁simple ▁T D ▁games ▁after ▁experien cing ▁what ▁S entin el ▁ 2 ▁has ▁to ▁offer ." ▁ ▁S entin el ▁ 3 : ▁Home world ' ▁S entin el ▁ 3 ▁has ▁a ▁Met ac rit ic ▁score ▁of ▁ 8 7 % ▁based ▁on ▁ 9 ▁critic ▁ratings . ▁ ▁S entin el ▁ 4 : ▁Dark ▁Star ▁S entin el ▁ 4 ▁has ▁a ▁Met ac rit ic ▁score ▁of ▁ 7 2 % ▁based ▁on ▁ 5 ▁critic ▁reviews . ▁ ▁References ▁ ▁Category : 2 0 0 9