I just started playing moonga a few days ago, and I really like it a lot. But after I played some challenges I realized, you only get coins and experience from it once. So I thought it maybe would be fun to "recharge" one completed challenge once a week, so you could gain coins and/or experience from it again.

Or if that is too overpowered, maybe after you completed a challenge, and you complete it again, you get one or two coins and some experience points.

I hope you like it, and btw keep up the good work!

Hi Stoertje,

Sorry I didn't reply earlier. We will think about your suggestion, thanks a lot for it.

Do not hesitate to let us know if you have futher ideas

Have a good game !

I really like this idea, but I think it would be better if it were applied to achievements instead. More precisely, the deck-specific achievements (all fire, all ice, all commons, etc). This would force you to (a) play against an actual player rather than an AI whose deck you already know, and (b) keep good mono-color decks, and improve them as you face better and better opponents. This could either be done by "recharging" the achievements once a week, or giving a few extra copper coins when you win with a mono-color deck.
I feel like something like this would make sure that we don't get massive amounts of free coins, which would cause either a huge inflation or less boosters being bought, while making sure the game isn't a "pay to win" game.