Is population one VR still popular and worth to buy?

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Is population one VR still popular to buy? and as i am posting this question i saw a a game called Contractors showdown, should i get that or population one? also i saw one of the steam comments saying Population one ON STEAM required you to pay extra in game currency to save your data? if so then how much?

https://preview.redd.it/fhf5vdgbog3e1.png?width=629&format=png&auto=webp&s=d7539df17503d4095532dcbf0ca23a55d86a713d

sorry to ask but im new in the vr world and i can buy one game ONLY from the list below but im not sure what to buy

Note: that i am currently rocking the RIFT S on my pc

-Population One

-Contractors Showdown

-Pavlov (my brother owns it)

-Contractors

-Breachers

-Ghost Of Tabor

-Onward

would like to buy a very popular shooter game that is NOT DEAD

EDIT: Currently im not sure whether to buy VAIL VR or Population one VR, i will buy the one with the more playerbase when you guys answer me