Only the current version so far — new entries appear as the game ships updates.
ピューピュースライム - お手軽爽快放置ゲーム is a role playing game by X-Legend Entertainment Co., Ltd. with 10,000+ downloads (about 38K estimated). +33 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “The world's most relaxing bullet hell idle RPG! Luxurious bonus items are being distributed now!”