Apparently ArcGames is releasing a few additional Tiers come tomorrow.
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Highlights:
Vanguard Tiers
Level Two for $2 (Limit 20, Sold Out) - Same as Level Two $5, get access to Patreon Polls (though those rarely come out every month) and HD Wallpaper.
Level Three $6 (Limit 20, Sold Out) - Same as Level Three $10, mostly Discord perks as I can't recall ever seeing a 'Character Style Poll' oh and Character Cards so you can ogle the girls as much as you want
Level Four $11 (Limit 20, Sold Out) - Same as Level Four $20, access to Deleted Scenes and Concept Art through Discord. Your name in the credits is a temporary perk since maintaining a text file is hard
These also put you in the list of 'Record of the Vanguards', which seems that if you drop your pledge you can come back later and resume at that tier. Though they do make a remark about "priority access" so it could mean that if no one took your slot *shrugs* If interested in clarification on any of these feel free to comment on that Patreon Page.
New Tiers
Level Five $25 (Limit 4, Sold Out) - Request 1 custom picture per month with up to 2 girls. Seems you could just do that up with the Character Cards from Level Three but eh it exist.
Level Six $50 (Limit 4, 4 Left) - You are literally paying twice what a fully released indie game is on Steam... Request 2 custom pictures per month with up to 4 girls or one animation (up to 3 girls)
Full Control $100 - Your name in the credits (For Realz this time), ArcGame promises to help you hide the bodies of your enemies
Edit: Vanguard Tiers were increased by $1 since tiers on the same price point were causing problems