All the countries of America and Oceania and a large part of Africa have the Latin alphabet (with the exception of certain regional dialects)
India (hindi)
There are a multitude of languages spoken in India but the best known is Hindi, recognizable thanks to thisbar which gives the impression of connecting all the letters
India (tamil)
Tamil, Telugu and Kannada are some of the other most spoken languages of India which you will find especially in the southern part of the country
Bangladesh
They speak Bengali, it looks like Hindi
Sri Lanka
They speak Sinhalese (and tamil). This writing is very recognizable because it looks like almost no other with these very round shapes that look like drawings
Arabic
Arabic changes depending on the country but is very recognizable, it is present in North Africa, the Middle East and sometimes in Muslim Asian countries
China
There are many straight lines in Chinese writing, very cubic
Japan
Japanese has much softer and wavy shapes than Chinese
South Korea
Different from Chinese and Japanese language thanks to its regular circles
Thailand
They speak Thai
Laos
They speak Lao. Lao has rounder shapes than Thai for example
Cambodge
Cambodians speak Khmer
Vietnam
Just like Malaysia, the Philippines and Indonesia, Vietnam uses the Latin alphabet but with many different accents on certain letters
Israel
Hebrew is the language spoken in Israel
Germany (Austria and Switzerland)
The ß is unique in Germany and Austria
France
French is also spoken in Belgium (south and east), Luxembourg, Switzerland
Netherlands
Dutch is also spoken in Belgium (in the north and west of the country)
Russia (Cyrillic)
The Cyrillic alphabet is used in Russia, Ukraine, Bulgaria, Serbia, North Macedonia, Montenegro, Kyrgyzstan, Mongolia
Croatia
The Đ is only in Croatia
Estonia
The Õ is only in Estonia
Hungary
The double accent " is very frequent and characteristic in Hungary
Latvia
The Ā – Ē – Ī is only in Latvia
Lithuania
The Į – Ų is only in Lithuania
Poland
The Ł is only in Poland and there is a lot of Z, W, K compare to other country
Romania
The Ă – Ș is only in Romania
Slovakia
The Ŕ is only in Slovakia
Slovenia
Slovenian is hard to distinguish because it is very close to Czech, Slovak, etc. The only difference is that there are fewer accents overall
Czechia
The Ř – Ů is only in Czechia
Denmark
The ø is only in Denmark and Norway
Norway
The ø is only in Denmark and Norway
Sweden
There is a lot of ¨ and ° in top of a and o but its not only in this country
Finland
Compared to Sweden there is only ä
Iceland
The Þ and ð is only in Iceland (the ð can be find in Faroe Island)
Spain
Spanish is also spoken in all South American countries except Brazil
Italia
Almost all words end in vowels (mostly in o or i)
Portugal
The à is unique to Portuguese. Brazil also speak it.
Greece
The Greek alphabet is very recognizable. Σ, Φ, Ω for example (if you know mathematics)