Achievement Updates for Guilty Gear -Strive-

Title: Heart is Blazing
[ID: 279606]
- Difficulty-specific: Yes

The difficulty works weird as you don't choose one at the beginning, but instead have a difficulty-path depending on round losses as you progress. This cannot be unlocked on Extreme. Your partner only shows up on Hard or below. This is not co-op with another player despite what it sounds like

Title: Messiah Will Not Come
[ID: 279607]
- Difficulty-specific: Yes

The difficulty works weird as you don't choose one at the beginning, but instead have a difficulty-path depending on round losses as you progress. This is for beating the secret final boss which can only be fought in the Extreme path

Title: Begin Assessment of the Target
[ID: 279615]
- Online-required: Yes

Can only watch battles that were fought online by you.

Title: Extinct Species
[ID: 279616]
- Cumulative: Yes

Obvious

Title: Gateway to the Tower
[ID: 279617]
- Online-required: Yes

Obvious

Title: To the World Outside
[ID: 279618]
- Online-required: Yes

Obvious

Title: Day 1 Bounty Hunter
[ID: 279620]
- Level: Yes

Have to level up a character up to at least 30.

Title: Everlasting Thirst
[ID: 279623]
- Cumulative: Yes

Obvious

Title: Destruction and Creation
[ID: 279624]
- Cumulative: Yes

The "while in a match" achievements are cumulative across all fights.

Title: A Pleasant Flight
[ID: 279625]
- Cumulative: Yes

The "while in a match" achievements are cumulative across all fights.

Title: Manipulator of Time
[ID: 279627]
- Cumulative: Yes

The "while in a match" achievements are cumulative across all fights.

Title: In the Blink of an Eye
[ID: 279628]
- Cumulative: Yes

The "while in a match" achievements are cumulative across all fights.

Title: Nothing Personal, Kid
[ID: 279629]
- Cumulative: Yes

The "while in a match" achievements are cumulative across all fights.

Title: You've Fallen Right into my Trap
[ID: 279630]
- Cumulative: Yes

The "while in a match" achievements are cumulative across all fights.

Title: Extraordinary Denfensive Instinct
[ID: 279632]
- Cumulative: Yes

The "while in a match" achievements are cumulative across all fights.

Title: Shine When Polished
[ID: 279633]
- Cumulative: Yes

The "while in a match" achievements are cumulative across all fights.

Title: Not Missing an Opportunity
[ID: 279637]
- Cumulative: Yes

The "while in a match" achievements are cumulative across all fights.

Sources/Context:
Have played/Achievement description describes most pretty well.