Igwababa - Ifa Lesela Elikhulu ngumdlalo we-adventure ocacile osezingeni eliphakeme futhi ofaka amaphazili ambalwa ukucija ubuhlakani bomsebenzisi futhi manje ususephulelo esilinganiselwe ku-Mac App Store. Umdlalo wenziwa ngabadali be- "The Book of Unwritten Tales", ngakho-ke sekuvele kuyisisekelo esihle salabo basebenzisi abathanda ukwenza ukujika okunamandla emlandweni futhi banezici ze-graphic graphic adventure ene-Explore, yokusungula, yokusebenzisa kanye hlanganisa izinto, izingxoxo, kanye namathani wepuzzle azoxazululwa ukuzijabulisa okuphezulu.
Umdlalo uzosiyisa ezindaweni ezehlukene ngasikhathi sinye, kuthi iParis noma iZurich ibe ngomunye wabokuqala ukuvela enkundleni. Sizobona futhi iLondon ngonyaka we-1964 futhi ama-cutscenes enziwe ngempela ukuba yingxenye ebaluleke kakhulu yomdlalo. Esigabeni sokuqhafaza singasho ukuthi ngumdlalo osebenze ngempela. 
Ngakho-ke uma ungumthandi walolu hlobo lomdlalo, ungaphuthelwa ukunikezwa kwalokhu njengoba singacaciswanga ngesikhathi ezoncishiswa esitolo sohlelo lokusebenza lweMac.Ngaphambi kokwethula ukuthenga lo mdlalo kuyajabulisa ukubona izidingo eziphansi ezidingekayo ukudlala iRaven kalula, ngakho-ke sibashiya lapha:
- I-OS: OS X Version Leopard 10.5.8, Snow Leopard 10.6.3 noma ngaphezulu
- Iprosesa: 2.0 GHz CPU
- 2 GB ubuncane be-RAM
- I-Graphics Esekelwe I-NVIDIA GeForce 8 Series noma okungcono / i-ATI X1600 noma engcono (i-Pixel Shader 3.0)