Two PlayStation Plus free games are set to arrive this week on Instant Game Collection.

According to PlayStation Lifestyle, there will be two PlayStation Plus free games for the month that will be available for US members starting tomorrow, March 18. One of the PlayStation Plus free games is the cross-buy title, "Thomas Was Alone." This means that both the PS3 and PS Vita versions of the game will be available for free for the PS Plus subscribers.

"Thomas Was Alone" as s described on Gaming Bolt, is the first puzzle platformer game from Mike Bithell. Reportedly, it "started out in Flash before moving on to home consoles and handhelds." The post further reads:

The game revolves around AI shapes making their way through different environments with each shape bringing their own abilities to the table.

Moreover, the PS Vita game, "Unit 13" is the other one of the PlayStation Plus free games that US gamers can expect to see tomorrow on the Instant Game Collection. "Unit 13" is a "third-person mission-based shooter that challenges you to complete specified objectives," as posted on GameZone. The PS Vita game features 36 tactical missions, as well as 9 high value target battles.

These PlayStation Plus free games will replace "Binary Domain" for PS3 and the PSP title, "Worms: Battle Islands.

The other PlayStation Plus free games announced for the month are "Lone Survivor: Director's Cut,"  "Tomb Raider," "Dead Nation: Apocalypse Edition, and "Monster Hunter: Freedom Unite."

Aside from the PlayStation Plus free games, US subscribers can also check out the deals below that will be available as well beginning tomorrow. Below is the list from PlayStation Lifestyle website:  

General Deals

• 9-in-1 Mega Pack - $1.49 (PS+ Price), $1.99 (Regular Price)
• Atomic Ninjas (PS3, PS Vita - Cross Buy) - $2.09 (PS+ Price), $2.99 (Sale Price)
• Foosball 2012 (PS3, PS Vita - Cross Buy) - $2.09 (PS+ Price), $2.99 (Sale Price)
• Luftrausers (PS3, PS Vita - Cross Buy) - $7.99 (PS+ Price), $9.99 (Regular Price)
• Real Boxing - $5.00 (PS+ Price), $9.99 (Regular Price)
• SteamWorld Dig(PS4, PS Vita - Cross Buy) - $7.99 (PS+ Price), $9.99 (Regular Price)
• The Impossible Game - $0.74 (PS+ Price), $0.99 (Regular Price)

Check back on this site for the announcement of the PlayStation Plus free games for the month of April.