旨在让玩家们为自己游戏库中买来没玩的、很久没玩过的游戏扫扫灰，而完成活动中的任务还可能会有勋章奖励。
曝光的相关活动语句如下：（翻译来自SteamCN用户pinkgun）
Badge_SpringCleaning2018_Desc
Complete the tasks below by playing games during the Spring Cleaning Event to earn rewards.
在春季扫除活动中玩游戏，完成（以下）任务以获得奖励。（应该就是徽章）
#SpringCleaning_DustOff
Dust off that library of games and uncovers something new, during the Steam Spring Cleaning Event!
在Steam的春季扫除活动中，玩一下游戏库中未发现和尘封的游戏们
#SpringCleaning_ProjectsDesc
Revisit your library and earn these trophies through May 28th at 10 am PST.
在北京时间5月29号凌晨1点前，再次访问你的游戏库并且（通过玩来）挣得这些奖杯
#SpringCleaning_NostalgiaDesc
Play a game you've played more than 2 hours of, but have not played in a while
玩一个你之前玩了2小时，但有段时间没运行过的游戏
#SpringCleaning_TrustedFriendDesc
Play a game recommended by a friend.
玩一个Steam好友推荐的游戏
#SpringCleaning_CantWaitDesc
Play a game you purchased within the last 6 months.
玩一个过去6个月内购买的游戏
#SpringCleaning_TrustedAdvisorDesc
Play a game that has a curator you follow has has recommended.
玩一个你关注的鉴赏家推荐的游戏
#SpringCleaning_AnotherChanceDesc
Play a game that you've spent less than an hour playing.
玩一个之前你只玩了一个小时不到的游戏
#SpringCleaning_BlastFromThePastDesc
Play the first game you added to your Steam account
玩Steam账号中第一个被加入/获得的游戏（登录Steam商店后可参考账户明细的第一行）