The Caligula Effect: Overdose opens at 20,399 sales.

The Caligula Effect: Overdose for PlayStation 4 sold 20,399 retail copies during its first week of release in Japan, the latest Media Create sales figures reveal.

No other new release made the top 20 sales.

On the hardware side, Switch sold 33,125 units, the PlayStation 4 family sold 16,940 units, and the 3DS family sold 6,255 units.

Get the full sales charts below.

Software Sales (followed by lifetime sales)

[PS4] The Caligula Effect: Overdose (FuRyu, 05/17/18) – 20,399 (New) [NSW] Donkey Kong: Tropical Freeze (Nintendo, 05/04/18) – 15,452 (129,760) [NSW] Splatoon 2 (Bundle Version Included) (Nintendo, 07/21/17) – 12,646 (2,323,048) [PS4] Jikkyou Powerful Pro Yakyuu 2018 (Konami, 04/26/18) – 10,240 (189,672) [NSW] Mario Kart 8 Deluxe (Nintendo, 04/28/17) – 10,071 (1,542,271) [NSW] Kirby: Star Allies (Nintendo, 03/16/18) – 8,392 (500,622) [NSW] Nintendo Labo Toy-Con 01: Variety Kit (Nintendo, 04/20/18) – 8,151 (166,536) [NSW] The Legend of Zelda: Breath of the Wild (Limited Edition Included) (Nintendo, 03/03/17) – 5,687 (991,867) [NSW] Super Mario Odyssey (Bundle Version Included) (Nintendo, 10/27/17) – 4,632 (1,725,867) [PSV] Jikkyou Powerful Pro Yakyuu 2018 (Konami, 04/26/18) – 4,073 (83,955) [NSW] The Snack World: Trejarers Gold (Level-5, 04/12/18) – 3,549 (82,504) [PS4] God of War (SIE, 04/20/18) – 3,124 (101,703) [3DS] Pokemon Ultra Sun / Ultra Moon (The Pokemon Company, 11/17/17) – 2,927 (1,634,916) [PS4] Rainbow Six Siege Advanced Edition (Ubisoft, 03/01/18) – 2,238 (53,533) [3DS] Animal Crossing: New Leaf Amiibo+ (Nintendo, 11/23/16) – 1,791 (408,980) [NSW] Nintendo Labo Toy-Con 02: Robot Kit (Nintendo, 04/20/18) – 1,762 (44,911) [NSW] 1-2-Switch (Nintendo, 03/03/17) – 1,680 (445,228) [PS4] Cities: Skylines PlayStation 4 Edition (Spike Chunsoft, 04/12/18) – 1,658 (28,724) [NSW] Pokken Tournament DX (The Pokemon Company, 09/22/17) – 1,562 (262,871) [NSW] Arms (Nintendo, 06/16/17) – 1,527 (406,645)

Hardware Sales (followed by last week’s sales)

Switch – 33,125 (31,720) PlayStation 4 – 12,404 (12,534) PlayStation 4 Pro – 4,536 (5,154) New 2DS LL – 3,489 (3,639) New 3DS LL – 2,353 (2,331) PlayStation Vita – 2,219 (2,229) 2DS – 413 (384) Xbox One – 146 (126) Xbox One X – 54 (42)

Thanks, 4Gamer.net.