Background: Japanese online games are known for its grinding process while people often find a way to "power-level" in a certain way so that they can bypass the 'grindy process'.
I have difficulties in conveying "This online game is too grindy that it isn't worth your time" as opposed to "power-leveling"...
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How to do you explain this picture in Japanese?
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The problem is that I can't find a good example and an exact counterpart of Japanese word of 'grindy' which convey not only upgrading and honing the skills, but also the enormous effort to reach a simple goal in an online game.
Most of the dictionary definition is about grinding process instead of grindy (https://ejje.weblio.jp/content/grindy: (video games, informal) Involving a lot of repetition in order to progress.)
Result (no result):
Jisho: https://jisho.org/search/grindy = ...
Yahoojp: https://dic.yahoo.co.jp/search/?p=grindy&stype=prefix&aq=-1&oq=&ei=UTF-8
goo.ne.jp: https://dictionary.goo.ne.jp/srch/all/grindy/m0u/
alc.co.jp: https://eow.alc.co.jp/search?q=grindy
weblio: https://ejje.weblio.jp/content/grindy (no definition)
Finally a lead and found a close (probably) rendition (is this okay?):
Grinding levels:
> レベル上げ - noun
> レベル上げをする - verb
> (insert a Japanese word/phrase) - adjective
Grinding experiences:
> 経験値稼ぎ - noun
> 経験値稼ぎをする - verb
> (insert a Japanese word/phrase) - adjective
Please help and explain in the (most) thorough way (and probably an example or two will do). Thanks!