Each Friday the Global Corporate Venturing Deal Net rounds up the week’s smaller deals and tracks the emerging companies accessing corporate funds.

Returning investor WarnerMedia has reinvested in the video engagement platform developer's latest round, which was led by Causeway Media Partners.

XinChao, the owner of a network of more than 700,000 elevator advertising screens, has secured funding in a round led by strategic partner Baidu.

SetSquared member Duel has added UBEF II to investors including London Co-Investment Fund as it looks to drive adoption of its advocacy marketing platform.

Xbox producer Microsoft has bought the game developer, providing an exit for Gumi Ventures, which invested $4.5m in the company last year.

37 Interactive Entertainment and existing backer TAL Education both invested in a $14.4m round for the children's literature platform.

Each Friday the Global Corporate Venturing Deal Net rounds up the week’s smaller deals and tracks the emerging companies accessing corporate funds.

In-game services marketplace Overwolf has raised $16m in a round led by Intel, the company with which it formed a $7m fund earlier this year.

Naver has joined Dynamic Yield’s series D round, which now totals $38m, three months after Union Group contributed to its initial close.

Opera has injected $30m into entertainment-focused social media company StarMaker and secured an option to acquire a majority stake in 2020.