It can't transfer save data from the mobile version and vice-versa, despite the mobile version having a cloud-save feature.
Because you can only purchase a unit via DLC, the only use for Premium Currency (Medals) in this version for buying temporary upgrades (Extra Money, 100% Guarantee to freeing POWs, Etc.).
If players just want to buy only one strong unit, they must pay for the other cheap units that come in the pack. But in this version, the units were sold in an overpriced DLC pack. In the original version, players were able to purchase new units from shop with Premium currency.
Despite being a direct port, it has some different content from the mobile version.
The title screen still says "Tap the Screen" to enter the game).
The on-screen instructions weren't rewritten for the PC version (i.e.
METAL SLUG XX differs from other games of a similar genre for its excessive color, interactivity of most objects and a completely motley audience (both enemies and allies). This means that you'll click on unit pictures with a mouse to deploy units and drag your mouse to scroll the screen as if you're playing on an emulator. METAL SLUG XX Is a two-dimensional action shooter made in a comic manner, parodying both the famous series of 'shooters' and many works of popular culture.